Fix some compile problems introduced by the latest CFG_CMD_xxx cleanup

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/common/cmd_flash.c b/common/cmd_flash.c
index db38f94..11c8857 100644
--- a/common/cmd_flash.c
+++ b/common/cmd_flash.c
@@ -33,7 +33,7 @@
 
 #if defined(CONFIG_CMD_FLASH)
 
-#if (defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
+#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
 #include <jffs2/jffs2.h>
 
 /* parition handling routines */