Werk #13735: check_mk_agent.solaris: Use "/usr/xpg4/bin/grep" if available

Component Checks & agents
Title check_mk_agent.solaris: Use "/usr/xpg4/bin/grep" if available
Date Sep 6, 2022
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.2.0i1 2.1.0p12
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

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