[GLX] Some more try to get clean glXMakeCurrent even when creating multiples context per window
[GLX] Some more try to get clean glXMakeCurrent even when creating multiples context per window

ptitSeb/gl4es,ptitSeb/glshim,ptitSeb/glshim,ptitSeb/glshim,ptitSeb/gl4es,ptitSeb/gl4es,ptitSeb/gl4es,ptitSeb/glshim