Werk #4212: jolokia_info: Fix crash for certain product versions.

Component	Checks & agents
Title	jolokia_info: Fix crash for certain product versions.
Date	Jan 11, 2017
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.4.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.8p16 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

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