x86_64: Don't mark __exitcall as __cold

gcc currently doesn't support attributes on types, so we can't use it
function pointers.  This avoids some warnings on a gcc 4.3 build.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/init.h

@@ -43,7 +43,7 @@
 #define __init		__attribute__ ((__section__ (".init.text"))) __cold
 #define __initdata	__attribute__ ((__section__ (".init.data")))
 #define __exitdata	__attribute__ ((__section__(".exit.data")))
-#define __exit_call	__attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) __cold
+#define __exit_call	__attribute_used__ __attribute__ ((__section__ (".exitcall.exit")))
 
 /* modpost check for section mismatches during the kernel build.
  * A section mismatch happens when there are references from a