x86: Rename incorrectly named parameter of numa_cpu_node()

numa_cpu_node() prototype in numa_32.h has wrongly named
parameter @apicid when it actually takes the CPU number.

Change it to @cpu.
Reported-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
LKML-Reference: <20110131155905.GM7459@htj.dyndns.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/include/asm/numa_32.h

@@ -6,7 +6,7 @@ extern int numa_off;
 extern int pxm_to_nid(int pxm);
 
 #ifdef CONFIG_NUMA
-extern int __cpuinit numa_cpu_node(int apicid);
+extern int __cpuinit numa_cpu_node(int cpu);
 #else	/* CONFIG_NUMA */
 static inline int numa_cpu_node(int cpu)		{ return NUMA_NO_NODE; }
 #endif	/* CONFIG_NUMA */