undisable many warnings for VC++ in defs.h and fixed several thousands of them in the sources

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22222 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/notebook.cpp

@@ -827,6 +827,9 @@ void wxNotebook::ApplyThemeBackground(wxWindow* window, const wxColour& colour)
         wxWindow *child = node->GetData();
         ApplyThemeBackground(child, colour);
     }
+#else
+    window;
+    colour;
 #endif
 }