Do not flip z in generated GLSL (#172)
Do not flip z in generated GLSL (#172)

This is vulkan specific hack in SPRIV-Cross.
We do not want it for GLSL to GLSL translation.
ianthehat/gapid,google/gapid,baldwinn860/gapid,ianthehat/gapid,ek9852/gapid,dsrbecky/gapid,Qining/gapid,ben-clayton/gapid,pmuetschard/gapid,Qining/gapid,baldwinn860/gapid,eternity74/gapid,ianthehat/gapid,baldwinn860/gapid,baldwinn860/gapid,dsrbecky/gapid,ianthehat/gapid,pmuetschard/gapid,google/gapid,dsrbecky/gapid,google/gapid,ek9852/gapid,eternity74/gapid,dsrbecky/gapid,baldwinn860/gapid,ianthehat/gapid,eternity74/gapid,google/gapid,ek9852/gapid,Qining/gapid,Qining/gapid,pmuetschard/gapid,google/agi,baldwinn860/gapid,Qining/gapid,dsrbecky/gapid,ben-clayton/gapid,pmuetschard/gapid,ek9852/gapid,google/gapid,dsrbecky/gapid,ek9852/gapid,ben-clayton/gapid,ek9852/gapid,ek9852/gapid,google/agi,pmuetschard/gapid,google/agi,baldwinn860/gapid,eternity74/gapid,google/agi,baldwinn860/gapid,google/gapid,google/agi,Qining/gapid,google/agi,google/agi,ben-clayton/gapid,ben-clayton/gapid,ek9852/gapid,google/gapid,ianthehat/gapid,dsrbecky/gapid,eternity74/gapid,ben-clayton/gapid,eternity74/gapid,ben-clayton/gapid,google/gapid,Qining/gapid,Qining/gapid,ianthehat/gapid,pmuetschard/gapid,ben-clayton/gapid,pmuetschard/gapid,pmuetschard/gapid,dsrbecky/gapid,google/agi,eternity74/gapid