[PATCH] JFFS2_FS_NAND=y compile error

The case of CONFIG_JFFS2_FS_NAND=y got broken recently.

The bug is obvious, and the fix is trivial:

fs/jffs2/Makefile

@@ -12,4 +12,4 @@ jffs2-y	+= read.o nodemgmt.o readinode.o write.o scan.o gc.o
 jffs2-y	+= symlink.o build.o erase.o background.o fs.o writev.o
 jffs2-y	+= super.o
 
-jffs2-$(CONFIG_JFFS2_FS_NAND)	:= wbuf.o
+jffs2-$(CONFIG_JFFS2_FS_NAND)	+= wbuf.o