build: fix typo in travis-ci configuration
build: fix typo in travis-ci configuration

musicEnfanthen/Knora,nie-ine/Knora,nie-ine/Knora,nie-ine/Knora,dhlab-basel/Knora,musicEnfanthen/Knora,nie-ine/Knora,dhlab-basel/Knora,musicEnfanthen/Knora,dhlab-basel/Knora,musicEnfanthen/Knora,musicEnfanthen/Knora,dhlab-basel/Knora,nie-ine/Knora,dhlab-basel/Knora,musicEnfanthen/Knora,dhlab-basel/Knora,nie-ine/Knora,musicEnfanthen/Knora,dhlab-basel/Knora