Check_MK Werk 3651: Fixed potential segfault with Nagios core when accessing log/commands table via Livestatus.

ID: 3651 Title: Fixed potential segfault with Nagios core when accessing log/commands table via Livestatus. Component: Livestatus Level: 2 Class: Bug Fix Version: 1.4.0i3 Under rare circumstances, the Nagios core could crash when the "log" or "commands" table was queried via Livestatus. Sites using the Micro Core were not affected by this bug.