Fix createEmptyTexture function call in ol/webgl/Context
Fix createEmptyTexture function call in ol/webgl/Context

mzur/ol3,geekdenz/ol3,tschaub/ol3,openlayers/openlayers,bjornharrtell/ol3,fredj/ol3,gingerik/ol3,stweil/openlayers,ahocevar/openlayers,fredj/ol3,openlayers/openlayers,mzur/ol3,oterral/ol3,bjornharrtell/ol3,bjornharrtell/ol3,mzur/ol3,mzur/ol3,geekdenz/ol3,stweil/ol3,fredj/ol3,tschaub/ol3,tschaub/ol3,ahocevar/openlayers,ahocevar/ol3,openlayers/openlayers,gingerik/ol3,geekdenz/ol3,stweil/ol3,fredj/ol3,ahocevar/ol3,stweil/openlayers,geekdenz/openlayers,gingerik/ol3,stweil/ol3,geekdenz/openlayers,geekdenz/ol3,ahocevar/ol3,tschaub/ol3,adube/ol3,oterral/ol3,geekdenz/openlayers,stweil/openlayers,oterral/ol3,stweil/ol3,gingerik/ol3,adube/ol3,adube/ol3,ahocevar/ol3,ahocevar/openlayers