[PATCH] bogus #if (arch/um/kernel/mem.c)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 5597bd3..64fa062 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -196,7 +196,7 @@
 
 static void __init fixaddr_user_init( void)
 {
-#if CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA
+#ifdef CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA
 	long size = FIXADDR_USER_END - FIXADDR_USER_START;
 	pgd_t *pgd;
 	pud_t *pud;