Fix "struct stat" on 32-bit FreeBSD 12+ (rust-lang#3939)

* Fix the definition of ino_t on 32-bit FreeBSD 12+

Commit 7437d0a erroneously defined it as "ulong" instead of u64.
Nobody noticed the mistake, probably because it was only tested on
64-bit architectures, where those are equivalent.  But it's a problem
now, after rust-lang#3723 , which switched the standard library to a FreeBSD 12
ABI.

Issue rust-lang/rust#130677

* Fix the definition of "struct stat" on 32-bit FreeBSD 12+

The original definitions were never correct.  But nobody noticed because
we don't do CI on 32-bit FreeBSD.  The problem is apparent now due to
 rust-lang#3723 , which caused the nightly toolchain to switch to a FreeBSD 12
ABI.

Fixes rust-lang/rust#130677

* fixup: fix build on powerpc, powerpc64, and arm

src/unix/bsd/freebsdlike/freebsd/freebsd12/mod.rs

@@ -255,6 +255,40 @@ s! {
         pub st_gen: u64,
         pub st_spare: [u64; 10],
     }
+
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_nlink: ::nlink_t,
+        pub st_mode: ::mode_t,
+        st_padding0: i16,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        st_padding1: i32,
+        pub st_rdev: ::dev_t,
+        #[cfg(target_arch = "x86")]
+        st_atim_ext: i32,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_mtim_ext: i32,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_ctim_ext: i32,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_btim_ext: i32,
+        pub st_birthtime: ::time_t,
+        pub st_birthtime_nsec: ::c_long,
+        pub st_size: ::off_t,
+        pub st_blocks: ::blkcnt_t,
+        pub st_blksize: ::blksize_t,
+        pub st_flags: ::fflags_t,
+        pub st_gen: u64,
+        pub st_spare: [u64; 10],
+    }
 }
 
 s_no_extra_traits! {

src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs

@@ -268,6 +268,40 @@ s! {
         pub st_gen: u64,
         pub st_spare: [u64; 10],
     }
+
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_nlink: ::nlink_t,
+        pub st_mode: ::mode_t,
+        st_padding0: i16,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        st_padding1: i32,
+        pub st_rdev: ::dev_t,
+        #[cfg(target_arch = "x86")]
+        st_atim_ext: i32,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_mtim_ext: i32,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_ctim_ext: i32,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_btim_ext: i32,
+        pub st_birthtime: ::time_t,
+        pub st_birthtime_nsec: ::c_long,
+        pub st_size: ::off_t,
+        pub st_blocks: ::blkcnt_t,
+        pub st_blksize: ::blksize_t,
+        pub st_flags: ::fflags_t,
+        pub st_gen: u64,
+        pub st_spare: [u64; 10],
+    }
 }
 
 s_no_extra_traits! {

src/unix/bsd/freebsdlike/freebsd/freebsd14/mod.rs

@@ -268,6 +268,40 @@ s! {
         pub st_gen: u64,
         pub st_spare: [u64; 10],
     }
+
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_nlink: ::nlink_t,
+        pub st_mode: ::mode_t,
+        st_padding0: i16,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        st_padding1: i32,
+        pub st_rdev: ::dev_t,
+        #[cfg(target_arch = "x86")]
+        st_atim_ext: i32,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_mtim_ext: i32,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_ctim_ext: i32,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_btim_ext: i32,
+        pub st_birthtime: ::time_t,
+        pub st_birthtime_nsec: ::c_long,
+        pub st_size: ::off_t,
+        pub st_blocks: ::blkcnt_t,
+        pub st_blksize: ::blksize_t,
+        pub st_flags: ::fflags_t,
+        pub st_gen: u64,
+        pub st_spare: [u64; 10],
+    }
 }
 
 s_no_extra_traits! {

src/unix/bsd/freebsdlike/freebsd/freebsd15/mod.rs

@@ -269,6 +269,40 @@ s! {
         pub st_filerev: u64,
         pub st_spare: [u64; 9],
     }
+
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_nlink: ::nlink_t,
+        pub st_mode: ::mode_t,
+        st_padding0: i16,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        st_padding1: i32,
+        pub st_rdev: ::dev_t,
+        #[cfg(target_arch = "x86")]
+        st_atim_ext: i32,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_mtim_ext: i32,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_ctim_ext: i32,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_long,
+        #[cfg(target_arch = "x86")]
+        st_btim_ext: i32,
+        pub st_birthtime: ::time_t,
+        pub st_birthtime_nsec: ::c_long,
+        pub st_size: ::off_t,
+        pub st_blocks: ::blkcnt_t,
+        pub st_blksize: ::blksize_t,
+        pub st_flags: ::fflags_t,
+        pub st_gen: u64,
+        pub st_spare: [u64; 10],
+    }
 }
 
 s_no_extra_traits! {