Fix tests

STDOUT is not defined by libc. The correct name is stdout. This
previously worked as STDOUT was incorrectly defined as null pointer
during codegen.

Author: bjorn3

tests/run/assign.rs

@@ -51,7 +51,7 @@ mod libc {
         pub fn fflush(stream: *mut i32) -> i32;
         pub fn printf(format: *const i8, ...) -> i32;
 
-        pub static STDOUT: *mut i32;
+        pub static stdout: *mut i32;
     }
 }
 
@@ -67,7 +67,7 @@ mod intrinsics {
 pub fn panic(_msg: &str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::STDOUT);
+        libc::fflush(libc::stdout);
         intrinsics::abort();
     }
 }

tests/run/int_overflow.rs

@@ -49,7 +49,7 @@ mod libc {
         pub fn puts(s: *const u8) -> i32;
         pub fn fflush(stream: *mut i32) -> i32;
 
-        pub static STDOUT: *mut i32;
+        pub static stdout: *mut i32;
     }
 }
 
@@ -65,7 +65,7 @@ mod intrinsics {
 pub fn panic(_msg: &str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::STDOUT);
+        libc::fflush(libc::stdout);
         intrinsics::abort();
     }
 }

tests/run/mut_ref.rs

@@ -53,7 +53,7 @@ mod libc {
         pub fn fflush(stream: *mut i32) -> i32;
         pub fn printf(format: *const i8, ...) -> i32;
 
-        pub static STDOUT: *mut i32;
+        pub static stdout: *mut i32;
     }
 }
 
@@ -69,7 +69,7 @@ mod intrinsics {
 pub fn panic(_msg: &str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::STDOUT);
+        libc::fflush(libc::stdout);
         intrinsics::abort();
     }
 }

tests/run/operations.rs

@@ -59,7 +59,7 @@ mod libc {
         pub fn puts(s: *const u8) -> i32;
         pub fn fflush(stream: *mut i32) -> i32;
 
-        pub static STDOUT: *mut i32;
+        pub static stdout: *mut i32;
     }
 }
 
@@ -75,7 +75,7 @@ mod intrinsics {
 pub fn panic(_msg: &str) -> ! {
     unsafe {
         libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::STDOUT);
+        libc::fflush(libc::stdout);
         intrinsics::abort();
     }
 }