OpenGL: fix in r-value interface of Shader
OpenGL: fix in r-value interface of Shader


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