Fix vertex_format macro not working in modules
Fix vertex_format macro not working in modules

bvssvni/gfx-rs,sectopod/gfx-rs,tempbottle/gfx,ColinKinloch/gfx,JohnColanduoni/gfx,davll/gfx,aepsil0n/gfx-rs,gfx-rs/gfx-rs,mitchmindtree/gfx-rs,Bastacyclop/gfx,JohnColanduoni/gfx,red75prime/gfx,tanderegg/gfx,tanderegg/gfx,ColinKinloch/gfx,alexcrichton/gfx