TAKE inventor: Workaround for glXChooseVisual() bug on ...

[Jonathan Lim <jlim@xxxxxxxxxxx>]

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Commit by jlim on Sun Sep 17 00:53:27 PDT 2000 of files:
inventor/libSoXt/src/mixedMode SoXtColPatch.c++ SoXtColSlider.c++ 
SoXtColWheel.c++ SoXtSlider.c++
Update of /oss/CVS/cvs/inventor/libSoXt/src/mixedMode
In directory oss.sgi.com:/tmp/cvs-serv8533/mixedMode

Modified Files:
        SoXtColPatch.c++ SoXtColSlider.c++ SoXtColWheel.c++ 
        SoXtSlider.c++ 
Log Message:
Workaround for glXChooseVisual() bug on some systems where a doublebuffer
visual is returned even when not requested. This occasionally prevented sliders
from being displayed (identified by Dennis Mikkelson).