[GFS2] Fix code style/indent in ops_file.c

Fix a couple of minor issues.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/gfs2/ops_file.c

@@ -606,8 +606,9 @@ static int gfs2_flock(struct file *file, int cmd, struct file_lock *fl)
 	if (fl->fl_type == F_UNLCK) {
 		do_unflock(file, fl);
 		return 0;
-	} else
+	} else {
 		return do_flock(file, cmd, fl);
+	}
 }
 
 const struct file_operations gfs2_file_fops = {