[plt-scheme] avoiding GLX warnings

Matthew Flatt writes:
 > At Sun, 27 Mar 2005 16:07:08 -0500, Doug Orleans wrote:
 > > I was thinking maybe there was a way to detect whether or not the GLX
 > > extension was available before doing whatever it is that's trying to
 > > use it.
 > 
 > That's a good idea. I've tagged a change to plt/src/wxxt. Someone
 > please let me know if it doesn't work.

It works fine for me, on VNC.  Thanks!

--dougo at place.org