[TRIVIAL PATCH] Fix GCC4 warning in asm-ppc/time.h

[roger blofeld <blofeldus@yahoo.com>]

Hi
 GCC4 complains:

include/asm/time.h:61: warning: type qualifiers ignored on function
return type

when building CONFIG_6xx, so I propose this patch.

Signed off by: Roger Blofeld <blofeldus@yahoo.com>

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diff --git a/include/asm-ppc/time.h b/include/asm-ppc/time.h
--- a/include/asm-ppc/time.h
+++ b/include/asm-ppc/time.h
@@ -58,7 +58,7 @@ static __inline__ void set_dec(unsigned 
 /* Accessor functions for the timebase (RTC on 601) registers. */
 /* If one day CONFIG_POWER is added just define __USE_RTC as 1 */
 #ifdef CONFIG_6xx
-extern __inline__ int const __USE_RTC(void) {
+extern __inline__ int __attribute_const__ __USE_RTC(void) {
 	return (mfspr(SPRN_PVR)>>16) == 1;
 }
 #else