Fix lifecycle issues.

Change-Id: I7524ca3da7d134d94553be0e7a6db7e879984ae8

1 files changed, 2 insertions, 2 deletions

diff --git a/vcl/source/window/openglwin.cxx b/vcl/source/window/openglwin.cxx
index 1ef46dabc828..21af6cc53598 100644
--- a/vcl/source/window/openglwin.cxx
+++ b/vcl/source/window/openglwin.cxx
@@ -16,6 +16,7 @@ class OpenGLWindowImpl
 {
 public:
     OpenGLWindowImpl(vcl::Window* pWindow);
+    ~OpenGLWindowImpl() { mxChildWindow.disposeAndClear(); }
     OpenGLContext& getContext() { return maContext;}
 private:
     OpenGLContext maContext;
@@ -31,7 +32,6 @@ OpenGLWindowImpl::OpenGLWindowImpl(vcl::Window* pWindow)
     pWindow->SetMouseTransparent(false);
 }
 
-
 OpenGLWindow::OpenGLWindow(vcl::Window* pParent):
     Window(pParent, 0),
     mxImpl(new OpenGLWindowImpl(this)),
@@ -49,7 +49,7 @@ void OpenGLWindow::dispose()
     if(mpRenderer)
         mpRenderer->contextDestroyed();
     mpRenderer = NULL;
-
+    mxImpl.reset();
     Window::dispose();
 }