[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/sym53c8xx_2/sym_hipd.h b/drivers/scsi/sym53c8xx_2/sym_hipd.h
index c55c7a5..3131a6b 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.h
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.h
@@ -151,6 +151,16 @@
  */
 #define	SYM_CONF_MIN_ASYNC (40)
 
+
+/*
+ * MEMORY ALLOCATOR.
+ */
+
+#define SYM_MEM_WARN	1	/* Warn on failed operations */
+
+#define SYM_MEM_PAGE_ORDER 0	/* 1 PAGE  maximum */
+#define SYM_MEM_CLUSTER_SHIFT	(PAGE_SHIFT+SYM_MEM_PAGE_ORDER)
+#define SYM_MEM_FREE_UNUSED	/* Free unused pages immediately */
 /*
  *  Shortest memory chunk is (1<<SYM_MEM_SHIFT), currently 16.
  *  Actual allocations happen as SYM_MEM_CLUSTER_SIZE sized.
@@ -1192,12 +1202,6 @@
  *  MEMORY ALLOCATOR.
  */
 
-#define SYM_MEM_PAGE_ORDER 0	/* 1 PAGE  maximum */
-#define SYM_MEM_CLUSTER_SHIFT	(PAGE_SHIFT+SYM_MEM_PAGE_ORDER)
-#define SYM_MEM_FREE_UNUSED	/* Free unused pages immediately */
-
-#define SYM_MEM_WARN	1	/* Warn on failed operations */
-
 #define sym_get_mem_cluster()	\
 	(void *) __get_free_pages(GFP_ATOMIC, SYM_MEM_PAGE_ORDER)
 #define sym_free_mem_cluster(p)	\