[patch] jffs2: typo in comment

[Dan Carpenter]

It says FB instead of FS (file system).

Signed-off-by: Dan Carpenter <error27 at gmail.com>

diff --git a/fs/jffs2/jffs2_fs_sb.h b/fs/jffs2/jffs2_fs_sb.h
index f864005..0bc6a6c 100644
--- a/fs/jffs2/jffs2_fs_sb.h
+++ b/fs/jffs2/jffs2_fs_sb.h
@@ -144,4 +144,4 @@ struct jffs2_sb_info {
 	void *os_priv;
 };
 
-#endif /* _JFFS2_FB_SB */
+#endif /* _JFFS2_FS_SB */