[PATCH] turn many #if $undefined_string into #ifdef $undefined_string

turn many #if $undefined_string into #ifdef $undefined_string to fix some
warnings after -Wno-def was added to global CFLAGS

Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index fe3e170..627af50 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -169,6 +169,7 @@
  * Debug levels, configured via kernel config, or enable here.
  */
 
+#define CONFIG_IEEE1394_SBP2_DEBUG 0
 /* #define CONFIG_IEEE1394_SBP2_DEBUG_ORBS */
 /* #define CONFIG_IEEE1394_SBP2_DEBUG_DMA */
 /* #define CONFIG_IEEE1394_SBP2_DEBUG 1 */