Move setting of mac.listctrl.always_use_generic to wx.PyApp.__init__

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43137 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/_app_ex.py

@@ -172,6 +172,9 @@ in on the main display of your Mac."""
         # Use Python's install prefix as the default  
         wx.StandardPaths.Get().SetInstallPrefix(_sys.prefix)
 
+        # Until the new native control for wxMac is up to par, still use the generic one.
+        wx.SystemOptions.SetOptionInt("mac.listctrl.always_use_generic", 1)
+
         # This finishes the initialization of wxWindows and then calls
         # the OnInit that should be present in the derived class
         self._BootstrapApp()