image: fix a typo in JFFS2OPTS to fix jffs2 rootfs generation

Due to a typo in the Makefile variable, mkfs.jffs2 is called
without the correct parameters.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 37514

include/image.mk

@@ -86,7 +86,7 @@ endef
 
 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
     define Image/mkfs/jffs2
-		$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPS)))
+		$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPTS)))
     endef
 endif