don't crash if highlighter language not found
don't crash if highlighter language not found

SysBind/thebuggenie,azaghal/thebuggenie,milkyway-git/thebuggenie,thebuggenie/thebuggenie,azaghal/thebuggenie,azaghal/thebuggenie,SysBind/thebuggenie,azaghal/thebuggenie,milkyway-git/thebuggenie,milkyway-git/thebuggenie,thebuggenie/thebuggenie,nrensen/thebuggenie,thebuggenie/thebuggenie,nrensen/thebuggenie,thebuggenie/thebuggenie,thebuggenie/thebuggenie,nrensen/thebuggenie,milkyway-git/thebuggenie,nrensen/thebuggenie,SysBind/thebuggenie,SysBind/thebuggenie