[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/scsi/initio.c b/drivers/scsi/initio.c
index 2094d48..ea6f3c0 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -716,7 +716,7 @@
 	pCurHcb->HCS_SCSI_ID = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID;
 	pCurHcb->HCS_IdMask = ~(1 << pCurHcb->HCS_SCSI_ID);
 
-#if CHK_PARITY
+#ifdef CHK_PARITY
 	/* Enable parity error response */
 	TUL_WR(pCurHcb->HCS_Base + TUL_PCMD, TUL_RD(pCurHcb->HCS_Base, TUL_PCMD) | 0x40);
 #endif