Use correct conventions for static

Author: brson

src/libcore/macros.rs

@@ -33,8 +33,8 @@ macro_rules! fail(
         // up with the number of calls to fail!()
         #[inline(always)]
         fn run_fmt(fmt: &::std::fmt::Arguments) -> ! {
-            static file_line: (&'static str, uint) = (file!(), line!());
-            ::core::failure::begin_unwind(fmt, &file_line)
+            static FILE_LINE: (&'static str, uint) = (file!(), line!());
+            ::core::failure::begin_unwind(fmt, &FILE_LINE)
         }
         format_args!(run_fmt, $fmt, $($arg)*)
     });