opengl.gl: typo in the FFI bindings for some obscure gl functions
opengl.gl: typo in the FFI bindings for some obscure gl functions

mcandre/factor,kingcons/factor,erg/factor,kingcons/factor,erg/factor,erg/factor,mcandre/factor,mcandre/factor,erg/factor,kingcons/factor,erg/factor,erg/factor,erg/factor,mcandre/factor,kingcons/factor,mcandre/factor,mcandre/factor,mcandre/factor