Checkmk Werk 16828: netapp: Fix crash when setting state in snapshot reserve service rule

ID: 16828 Title: netapp: Fix crash when setting state in snapshot reserve service rule Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0p27 A problem in the NetApp Snapshot Reserve rule caused a crash when setting the "State when no reserve is configured" option. This werk fixes the bug such that the state can be defined as expected.