OpenGL: Prevented zero-sized BufferObject to be allocated, closes inviwo/inviwo-dev#1177
OpenGL: Prevented zero-sized BufferObject to be allocated, closes inviwo/inviwo-dev#1177


Sparkier/inviwo,Sparkier/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,Sparkier/inviwo,inviwo/inviwo,Sparkier/inviwo,Sparkier/inviwo