core: Turn off rtdebug logging

src/libcore/rt/mod.rs

@@ -8,8 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+
 // Some basic logging
-macro_rules! rtdebug (
+macro_rules! rtdebug_ (
     ($( $arg:expr),+) => ( {
         dumb_println(fmt!( $($arg),+ ));
 
@@ -30,7 +31,7 @@ fn dumb_println(s: &str) {
 )
 
 // An alternate version with no output, for turning off logging
-macro_rules! rtdebug_ (
+macro_rules! rtdebug (
     ($( $arg:expr),+) => ( $(let _ = $arg)*; )
 )