omfs: fix memory leak

In the error path of omfs_fill_super(), the FS super block info
(sbi) is not being freed.  Correct this.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index 089839a..b5d6380 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -529,6 +529,8 @@
 out_brelse_bh:
 	brelse(bh);
 end:
+	if (ret)
+		kfree(sbi);
 	return ret;
 }