fs: rename "rename2" i_op to "rename"

Generated patch:

sed -i "s/\.rename2\t/\.rename\t\t/" `git grep -wl rename2`
sed -i "s/\brename2\b/rename/g" `git grep -wl rename2`

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

fs/ncpfs/dir.c

@@ -65,7 +65,7 @@ const struct inode_operations ncp_dir_inode_operations =
 	.mkdir		= ncp_mkdir,
 	.rmdir		= ncp_rmdir,
 	.mknod		= ncp_mknod,
-	.rename2	= ncp_rename,
+	.rename		= ncp_rename,
 	.setattr	= ncp_notify_change,
 };