[libvirt] [PATCH 0/5] Fix misc problems in the RPC code

This series of patches fixes a couple of memory leaks, one crash
and a missing reply to the final RPC message on a connection
being closed

Follow-Ups:
- [libvirt] [PATCH 1/5] Fix potential crash in libvirtd with active streams
  - From: Daniel P. Berrange
- [libvirt] [PATCH 2/5] Fix leak of 'msg' object in client stream code
  - From: Daniel P. Berrange
- [libvirt] [PATCH 3/5] Fix release of outgoing stream confirmation/abort message
  - From: Daniel P. Berrange
- [libvirt] [PATCH 4/5] Fix leak of remote driver if final 'CLOSE' RPC call fails
  - From: Daniel P. Berrange
- [libvirt] [PATCH 5/5] Fix sending of reply to final RPC message
  - From: Daniel P. Berrange