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/cocoa/colour.h

@@ -83,10 +83,8 @@ protected:
     // puts the object in an invalid, uninitialized state
     void Init();
 
-    virtual void InitWith(unsigned char red,
-                          unsigned char green,
-                          unsigned char blue,
-                          unsigned char alpha);
+    virtual void
+    InitRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
 
 private:
     WX_NSColor m_cocoaNSColor;