[AGENT++] Updates: SNMP++v3.2.13 & AGENT++v3.5.19

[Frank Fock]

New versions of SNMP++ and AGENT++ have been released.
The new version can be downloaded from http://www.agentpp.com

Besides small fixes, those releases now include Makefiles for AIX 5
(by courtesy of Anders Malmborg).

RELEASE NOTES

SNMP++ v3.2.13: CHANGES since v3.2.12a
- Fixed: Oid class freed memory twice after
  failed call to operator+=().
- Added: Support for AIX 5 (by courtesy of
  Anders Malmborg)

AGENT++ v3.5.19: CHANGES since v3.5.18
* Added: Support for AIX 5 (by courtesy of
  Anders Malmborg)
* Fixed: Oidx::mask bug (reported by Dave White)
  which caused notifyFilterMask to use wrong
  byte order.
* Improved: Synchronization of ThreadPool and
  QueuedThreadPool internal notifications.


Frank Fock