patches from Ricky Gonzales <gonzales@pyramid3.net>:

1. BC++ 5.5 compilation/building fixes
2. wxMSW listctrl will use correct ILC_COLOR flag depending on current display
   depth
3. wxFrame::Show() argument is TRUE by default undet GTK/Motif too


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6480 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/motif/frame.h

@@ -43,7 +43,7 @@ public:
 
     virtual ~wxFrame();
 
-    bool Show(bool show);
+    virtual bool Show(bool show = TRUE);
 
     // Set menu bar
     void SetMenuBar(wxMenuBar *menu_bar);