[PATCH] ia64: Kill a warning if \!CONFIG_SMP

This kills a compilation warning if CONFIG_SMP is *not* defined.

include/asm-ia64/percpu.h

@@ -45,6 +45,7 @@ DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
 #define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __ia64_per_cpu_var(local_per_cpu_offset)))
 
 extern void percpu_modcopy(void *pcpudst, const void *src, unsigned long size);
+extern void setup_per_cpu_areas (void);
 
 #else /* ! SMP */
 
@@ -56,10 +57,6 @@ extern void percpu_modcopy(void *pcpudst, const void *src, unsigned long size);
 #define EXPORT_PER_CPU_SYMBOL(var)		EXPORT_SYMBOL(per_cpu__##var)
 #define EXPORT_PER_CPU_SYMBOL_GPL(var)		EXPORT_SYMBOL_GPL(per_cpu__##var)
 
-/* ia64-specific part: */
-
-extern void setup_per_cpu_areas (void);
-
 /*
  * Be extremely careful when taking the address of this variable!  Due to virtual
  * remapping, it is different from the canonical address returned by __get_cpu_var(var)!