Werk #4037: Fix graphs that have optional metrics

TitelFix graphs that have optional metrics
Datum2016-10-27 15:15:18
Checkmk EditionCheckmk Raw Edition (CRE)
Checkmk Version1.4.0i2,1.2.8p14
LevelTrivial Change
KlasseBug Fix
KompatibilitätKompatibel - benötigt kein manuelles Eingreifen

These graphs templates are not very common, but they can be painted even if a check does not certain metrics. The bug resulted in these graphs not being shown and single graphs for each of their metrics instead.