EGL_MESA_screen_surface version 7

[Brian Paul]

Jon Smirl wrote:
> const char *eglQueryModeStringMESA(EGLDisplay dpy, EGLModeMESA mode);
> 
> Should this be changed to:
> int eglQueryModeStringMESA(EGLDisplay dpy, EGLModeMESA mode, const char **name);
> can return:
> EGL_BAD_DISPLAY
> EGL_BAD_MODE
> 
> Should all functions be changed to var params with int error returns?

eglQueryString() returns const char *.  That's what I was following.

-Brian