mpy-cross,unix: Include alloca.h for NetBSD.

Author: waggobond

mpy-cross/mpconfigport.h

@@ -119,7 +119,7 @@ typedef long mp_off_t;
 #define MP_PLAT_PRINT_STRN(str, len) (void)0
 
 // We need to provide a declaration/definition of alloca()
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__NetBSD__)
 #include <stdlib.h>
 #elif defined(_WIN32)
 #include <malloc.h>

ports/unix/mpconfigport.h

@@ -294,7 +294,7 @@ static inline unsigned long mp_urandom_seed_init(void) {
 // We need to provide a declaration/definition of alloca()
 // unless support for it is disabled.
 #if !defined(MICROPY_NO_ALLOCA) || MICROPY_NO_ALLOCA == 0
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__NetBSD__)
 #include <stdlib.h>
 #else
 #include <alloca.h>