fix fallout

Author: Jorge Aparicio

src/test/run-pass/associated-types-binding-in-where-clause.rs

@@ -16,7 +16,7 @@ pub trait Foo {
 }
 
 #[derive(PartialEq)]
-struct Bar;
+pub struct Bar;
 
 impl Foo for int {
     type A = uint;

src/test/run-pass/associated-types-eq-obj.rs

@@ -15,7 +15,7 @@ pub trait Foo {
     fn boo(&self) -> <Self as Foo>::A;
 }
 
-struct Bar;
+pub struct Bar;
 
 impl Foo for char {
     type A = Bar;

src/test/run-pass/associated-types-return.rs

@@ -16,7 +16,7 @@ pub trait Foo {
 }
 
 #[derive(PartialEq)]
-struct Bar;
+pub struct Bar;
 
 impl Foo for int {
     type A = uint;