clean DFB event buffer on shutdown

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41537 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/dfb/evtloop.cpp

@@ -52,6 +52,12 @@ void wxEventLoop::InitBuffer()
     ms_buffer = wxIDirectFB::Get()->CreateEventBuffer();
 }
 
+/* static */
+void wxEventLoop::CleanUp()
+{
+    ms_buffer.Reset();
+}
+
 /* static */
 wxIDirectFBEventBufferPtr wxEventLoop::GetDirectFBEventBuffer()
 {
@@ -125,8 +131,6 @@ void wxEventLoop::OnNextIteration()
 #endif
 }
 
-#warning "FIXME: cleanup wxEventLoop::ms_buffer before exiting"
-
 
 //-----------------------------------------------------------------------------
 // DirectFB -> wxWidgets events translation