[PATCH] x86: cpu_khz type fix

x86_64's cpu_khz is unsigned int and there is no reason why x86 needs to use
unsigned long.

So make cpu_khz unsigned int on x86 as well.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-i386/timex.h b/include/asm-i386/timex.h
index e370f90..292b5a6 100644
--- a/include/asm-i386/timex.h
+++ b/include/asm-i386/timex.h
@@ -47,7 +47,7 @@
 	return ret;
 }
 
-extern unsigned long cpu_khz;
+extern unsigned int cpu_khz;
 
 extern int read_current_timer(unsigned long *timer_value);
 #define ARCH_HAS_READ_CURRENT_TIMER	1