#2 JOGL shutdown bug

[Victor Marius Costan]

In about 1 out of 3 tests, I get this:

Platform: Debug (OpenGL)
Display mode: 640x480@16bpp (60 Hz)
net.java.games.jogl.GLException: Unable to lock surface
at
net.java.games.jogl.impl.windows.WindowsOnscreenGLCo
ntext.lockSurface(WindowsOnscreenGLContext.java:155)
at
net.java.games.jogl.impl.windows.WindowsOnscreenGLCo
ntext.makeCurrent
(WindowsOnscreenGLContext.java:107)
at net.java.games.jogl.impl.GLContext.invokeGL
(GLContext.java:203)
at
net.java.games.jogl.impl.GLContext.setRenderingThread
(GLContext.java:334)
at
net.java.games.jogl.GLCanvas.setRenderingThread
(GLCanvas.java:140)
at
unicraft.ui.renderer.impl.opengl.GLRenderingThread.deinit
(GLRenderingThread.java:86)
at unicraft.ui.EventThread.run
(EventThread.java:130)