Added glMultiTexCoord funcs. They are currently gated on GL_GLEXT_PROTOTYPES, which is what the nvidia GL headers seem to use.
Added glMultiTexCoord funcs. They are currently gated on
GL_GLEXT_PROTOTYPES, which is what the nvidia GL headers seem to use.

oneminot/libcvd,oneminot/libcvd,oneminot/libcvd