Corrected thread.h inline problem. Set WXWIN_COMPATIBILITY to 0 by default in wxMSW.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1373 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/app.cpp

@@ -649,6 +649,7 @@ int wxEntry(WXHINSTANCE hInstance,
     */
 
     ::ExitProcess(3); // the same exit code as abort()
+    return 0;
   }
 #endif //debug
 }