[GFS2] Mark nlink cleared so VFS sees it happen

This does nothing atm, but will be required for later support of
r/o bind mounts.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 660dc81..81a9211 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -353,6 +353,7 @@
 		if (error)
 			goto out_norgrp;
 
+		clear_nlink(&ip->i_inode);
 		gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */
 		gfs2_glock_dq_uninit(&rg_gh);
 out_norgrp: