generator: fix Volt generator
generator: fix Volt generator

aaronmjacobs/glad,hrehfeld/glad,bsmr-opengl/glad,hrehfeld/glad,aaronmjacobs/glad,dbralir/glad,0x1100/glad,aaronmjacobs/glad,hrehfeld/glad,dbralir/glad,aaronmjacobs/glad,bsmr-opengl/glad,dbralir/glad,valeriog-crytek/glad,valeriog-crytek/glad,bsmr-opengl/glad,QUSpilPrgm/glad,dbralir/glad,0x1100/glad,bsmr-opengl/glad,hrehfeld/glad,valeriog-crytek/glad,0x1100/glad,valeriog-crytek/glad,QUSpilPrgm/glad,0x1100/glad,QUSpilPrgm/glad,QUSpilPrgm/glad