fs/jffs2/: make 2 functions static

This patch makes two needlessly global functions static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 2bfdc33..e241346 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -274,8 +274,8 @@
 	return ret;
 }
 
-int jffs2_fill_scan_buf (struct jffs2_sb_info *c, void *buf,
-				uint32_t ofs, uint32_t len)
+static int jffs2_fill_scan_buf(struct jffs2_sb_info *c, void *buf,
+			       uint32_t ofs, uint32_t len)
 {
 	int ret;
 	size_t retlen;