CFI: fix warning: variable ... set but not used

Fix:
cfi_mtd.c: In function 'cfi_mtd_init':
cfi_mtd.c:226:19: warning: variable 'mtd_list' set but not used [-Wunused-but-set-variable]
cfi_mtd.c: In function 'cfi_mtd_init':
cfi_mtd.c:225:6: warning: unused variable 'devices_found'
cfi_mtd.c: In function 'cfi_mtd_init':
cfi_mtd.c:226:19: warning: variable 'mtd_list' set but not used [-Wunused-but-set-variable]
[-Wunused-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Stefan Roese <sr@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
diff --git a/common/cmd_mtdparts.c b/common/cmd_mtdparts.c
index 5481c88..2c2e4e0 100644
--- a/common/cmd_mtdparts.c
+++ b/common/cmd_mtdparts.c
@@ -838,7 +838,10 @@
 	struct mtdids *id;
 	const char *mtd_id;
 	unsigned int mtd_id_len;
-	const char *p, *pend;
+	const char *p;
+#ifdef DEBUG
+	const char *pend;
+#endif
 	LIST_HEAD(tmp_list);
 	struct list_head *entry, *n;
 	u16 num_parts;
@@ -868,10 +871,12 @@
 		return 1;
 	}
 
+#ifdef DEBUG
+	pend = strchr(p, ';');
+#endif
 	debug("dev type = %d (%s), dev num = %d, mtd-id = %s\n",
 			id->type, MTD_DEV_TYPE(id->type),
 			id->num, id->mtd_id);
-	pend = strchr(p, ';');
 	debug("parsing partitions %.*s\n", (pend ? pend - p : strlen(p)), p);