David Jarvie's patch for bug 2507
Merge branch 'V5-4-patches' into V5-5-patches

* V5-4-patches:
  David Jarvie's patch for bug 2507
Merge remote-tracking branch 'origin/V5-4-patches' into V5-4-patches
Merge branch 'V5-4-patches' into V5-5-patches
snmpstatus: detect SNMP exception responses.
Merge branch 'V5-4-patches' into V5-5-patches

* V5-4-patches:
  snmpstatus: detect SNMP exception responses.
Fix speling error
Merge branch 'V5-4-patches' into V5-5-patches

* V5-4-patches:
  Fix speling error