[PATCH] x86-64: Fix preprocessor condition

Old code was legal standard C, but apparently not sparse-C.

Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
Signed-off-by: Andi Kleen <ak@suse.de>
diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h
index f5d84bb..de2cd9a 100644
--- a/include/asm-x86_64/io.h
+++ b/include/asm-x86_64/io.h
@@ -100,7 +100,7 @@
 
 #define IO_SPACE_LIMIT 0xffff
 
-#if defined(__KERNEL__) && __x86_64__
+#if defined(__KERNEL__) && defined(__x86_64__)
 
 #include <linux/vmalloc.h>