Werk #2466: Fixed exception when searching for rulesets / global settings using special characters like umlauts

Component	Setup
Title	Fixed exception when searching for rulesets / global settings using special characters like umlauts
Date	Jul 16, 2015
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.2.7i3 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

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