removed overloaded virtual InitWith() methods, keep just a single InitRGBA()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41123 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/colour.h

@@ -48,8 +48,10 @@ public:
 #endif
 
 protected:
+    virtual void
+    InitRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
+
     virtual bool FromString(const wxChar *str);
-    virtual void InitWith( unsigned char red, unsigned char green, unsigned char blue );
 
 private:
     DECLARE_DYNAMIC_CLASS(wxColour)