[GFS2] Get rid of unneeded parameter in gfs2_rlist_alloc

This patch removed the unnecessary parameter from function
gfs2_rlist_alloc.  The parameter was always passed in as 0.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 5a31870..e8e48b6 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -680,7 +680,7 @@
 	else
 		goto out; /* Nothing to do */
 
-	gfs2_rlist_alloc(&rlist, LM_ST_EXCLUSIVE, 0);
+	gfs2_rlist_alloc(&rlist, LM_ST_EXCLUSIVE);
 
 	for (x = 0; x < rlist.rl_rgrps; x++) {
 		struct gfs2_rgrpd *rgd;