[PATCH] build fix: CONFIG_MEMORY_HOTPLUG=y on i386

typo in #ifdefs.  Fixes http://bugme.osdl.org/show_bug.cgi?id=6538

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index ae6534a..3df1371 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -651,7 +651,7 @@
  * Specifically, in the case of x86, we will always add
  * memory to the highmem for now.
  */
-#ifdef CONFIG_HOTPLUG_MEMORY
+#ifdef CONFIG_MEMORY_HOTPLUG
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 int add_memory(u64 start, u64 size)
 {