Summary of changes:
a74df3d... Add OpenGL_fix.patch (*)
ba93b80... Add OpenGL_fix.patch (*)
04421be... Add OpenGL_fix.patch (*)
af6aa31... Add OpenGL_fix.patch (*)
5f6d506... Add OpenGL_fix.patch fixes (rfbz#4777). (*)
(*) This commit already existed in another branch; no separate mail sent