diff -r ef0373b55136 -r 758a864f9613 src/opengl/qwindowsurface_gl_p.h
--- a/src/opengl/qwindowsurface_gl_p.h	Fri Sep 17 08:34:18 2010 +0300
+++ b/src/opengl/qwindowsurface_gl_p.h	Mon Oct 04 01:19:32 2010 +0300
@@ -67,6 +67,7 @@
 struct QGLWindowSurfacePrivate;
 
 Q_OPENGL_EXPORT QGLWidget* qt_gl_share_widget();
+Q_OPENGL_EXPORT void qt_destroy_gl_share_widget();
 
 class QGLWindowSurfaceGLPaintDevice : public QGLPaintDevice
 {