Fix buffer overrun in Linux/x86_64 (Pixel is a 64 bit long, passing

a 32 bit int pointer to XtVaGetValues will cause trouble). Using a long
should suffice. A configure test would be better.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41640 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/motif/dcscreen.cpp

@@ -61,7 +61,7 @@ wxScreenDC::wxScreenDC()
         GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
         &gcvalues);
 
-    m_backgroundPixel = (int) gcvalues.background;
+    m_backgroundPixel = gcvalues.background;
     m_ok = true;
 }