storage/rsync: free memory on error
storage/rsync: free memory on error

Closes #2262.

Signed-off-by: C0deAi <2d5984d9298182a7dbe97705c50a01fd378b76c8@mycode.ai>
Signed-off-by: Christian Brauner <48455ab3070520a2d174545c7239d6d0fabd9a83@ubuntu.com>

caglar10ur/lxc,ss1h2a3tw/lxc,caglar10ur/lxc,hallyn/lxc,hallyn/lxc,hallyn/lxc,ss1h2a3tw/lxc,ss1h2a3tw/lxc,caglar10ur/lxc