T065agentextend_sh_simple: Add a new regression test
Merge branch 'V5-6-patches' into V5-7-patches

* V5-6-patches:
  T065agentextend_sh_simple: Add a new regression test
snmplib/system.c: make the test for return code from uname conform to POSIX.
Merge branch 'V5-4-patches' into V5-5-patches

* V5-4-patches:
  snmplib/system.c: make the test for return code from uname conform to POSIX.
  update to new key ID
Merge branch 'V5-5-patches' into V5-6-patches

* V5-5-patches:
  snmplib/system.c: make the test for return code from uname conform to POSIX.
  update to new key ID
snmplib/system.c: make the test for return code from uname conform to POSIX.
Version number update: 5.7.3.rc2
Release Candidate for V5-7-patches
Merge branch 'V5-4-patches' into V5-7-patches
make depend for 5.7.3.rc2
Version number update: 5.7.3.rc3
Release Candidate for V5-7-patches
Merge branch 'V5-4-patches' into V5-7-patches
make depend for 5.7.3.rc3
version update for 5.7.3.rc3
CHANGES: Modified patch from Bart Van Assche to improve cygwin building
Merge branch 'V5-4-patches' of ssh://git.code.sf.net/p/net-snmp/code into V5-4-patches
CHANGES: Patch from Bart Van Assche to improve cygwin building
Another cygwin build improvement patch from Bart Van Assche
Another cygwin build improvement patch from Bart Van Assche