Check_MK Werk 1399: Fix left-over tac processes when showing Event Console history

[Mathias Kettner]

ID:          1399
Title:       Fix left-over tac processes when showing Event Console history
Component:   Event Console
Level:       2
Class:       Bug Fix
Version:     1.2.5i6

When you show the Event Console history and run into a soft or hard
query limit (of usually 1,000 or 5,000 entries), then every time one
<tt>tac</tt> process was left over. This has been fixed.