Integrated a bug fix to osg::TexMat from Geoff Michel which adds a

glMatrixMode( GL_MODELVIEW ); after the setting of the texture matrix.
Previously the texture matrix mode could run into normal model view
matrix operations which were assuming the defaul of GL_MODELVIEW.

src/osg/TexMat.cpp

@@ -16,4 +16,5 @@ void TexMat::apply(State&) const
 {
     glMatrixMode( GL_TEXTURE );
     glLoadMatrixf( _matrix.ptr() );
+    glMatrixMode( GL_MODELVIEW ); // fix! GWM Aug 2001
 }