Update AGENT++/AgentX++

[Frank Fock]

AGENT++ and AgentX++ have been updated as follows:


AGENT++ v3.5e: CHANGES since v3.5c

* Fixed: Missing synchronization in
  RequestList::answer() accidentally
  removed in version 3.5c.

* Added: Handling of unkown security model
  error in request.cpp.


AgentX++ v1.4f:

* Fixed: Possible crash of master when
  processing a SET request with an NET-SNMP
  subagent.

* Fixed: Possible crash of AgentX++ master
  agent when responding to GETBULK requests.
* Added: Some assertions that makes the
  AgentX++ master agent invulnerable to out
  of search range AgentX BULK responses or
  BULK responses that have more than max.
  repetitions.

* Fixed: Possible deadlock when an AgentX++
  subagent registered many nodes at startup.


Frank Fock