wxCocoa: Use the new native MDI implementation instead of generic

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24547 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

build/bakefiles/files.bkl

@@ -1745,6 +1745,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     src/cocoa/listbox.mm
     src/cocoa/main.cpp
     src/cocoa/mbarman.mm
+    src/cocoa/mdi.mm
     src/cocoa/menu.mm
     src/cocoa/menuitem.mm
     src/cocoa/pen.mm
@@ -1773,7 +1774,6 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     src/generic/fontdlgg.cpp
     src/generic/imaglist.cpp
     src/generic/listctrl.cpp
-    src/generic/mdig.cpp
     src/generic/msgdlgg.cpp
     src/generic/notebook.cpp
     src/generic/paletteg.cpp
@@ -1821,6 +1821,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     wx/cocoa/icon.h
     wx/cocoa/listbox.h
     wx/cocoa/mbarman.h
+    wx/cocoa/mdi.h
     wx/cocoa/menu.h
     wx/cocoa/menuitem.h
     wx/cocoa/pen.h
@@ -1841,7 +1842,6 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     wx/generic/fontdlgg.h
     wx/generic/imaglist.h
     wx/generic/listctrl.h
-    wx/generic/mdig.h
     wx/generic/paletteg.h
     wx/generic/statusbr.h
     wx/generic/tabg.h

include/wx/mdi.h

@@ -16,7 +16,7 @@
 #elif defined(__WXMAC__)
     #include "wx/mac/mdi.h"
 #elif defined(__WXCOCOA__)
-    #include "wx/generic/mdig.h"
+    #include "wx/cocoa/mdi.h"
 #elif defined(__WXPM__)
     #include "wx/generic/mdig.h"
 #endif