[GFS] Fix bug in endian conversion for metadata header

In some cases 16 bit functions were being used rather than 32 bit
functions.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
index addbe30..4532dba 100644
--- a/fs/gfs2/util.h
+++ b/fs/gfs2/util.h
@@ -107,12 +107,11 @@
 {
 	struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
 	uint32_t magic = mh->mh_magic;
-	uint16_t t = mh->mh_type;
+	uint16_t t = be32_to_cpu(mh->mh_type);
 	magic = be32_to_cpu(magic);
 	if (unlikely(magic != GFS2_MAGIC))
 		return gfs2_meta_check_ii(sdp, bh, "magic number", function,
 					  file, line);
-	t = be16_to_cpu(t);
         if (unlikely(t != type))
 		return gfs2_metatype_check_ii(sdp, bh, type, t, function,
 					      file, line);
@@ -127,8 +126,8 @@
 {
 	struct gfs2_meta_header *mh;
 	mh = (struct gfs2_meta_header *)bh->b_data;
-	mh->mh_type = cpu_to_be16(type);
-	mh->mh_format = cpu_to_be16(format);
+	mh->mh_type = cpu_to_be32(type);
+	mh->mh_format = cpu_to_be32(format);
 }