[JFFS2] Print correct node offset when complaining about broken data CRC

Debugging the hardware problems in OLPC trac #1905 would be a whole lot
easier if the correct node offsets were printed for the offending nodes.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index 170da20..b5baa35 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -104,7 +104,7 @@
 
 	if (crc != tn->data_crc) {
 		JFFS2_NOTICE("wrong data CRC in data node at 0x%08x: read %#08x, calculated %#08x.\n",
-			ofs, tn->data_crc, crc);
+			     ref_offset(ref), tn->data_crc, crc);
 		return 1;
 	}