[PATCH] i386: CONFIG_ACPI_SRAT typo fix

Fix a typo involving CONFIG_ACPI_SRAT.
Signed-off-by: NMagnus Damm <magnus@valinux.co.jp>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

include/asm-i386/mmzone.h

@@ -29,7 +29,7 @@ static inline void get_memcfg_numa(void)
 #ifdef CONFIG_X86_NUMAQ
 	if (get_memcfg_numaq())
 		return;
-#elif CONFIG_ACPI_SRAT
+#elif defined(CONFIG_ACPI_SRAT)
 	if (get_memcfg_from_srat())
 		return;
 #endif