Allow wxUSE_DIRDLG and wxUSE_TREECTRL for wxCocoa (both are generic)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20051 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

configure.in

@@ -960,7 +960,6 @@ if test "x$wxUSE_COCOA" != "x" -a "$wxUSE_COCOA" != "0" ; then
   DEFAULT_wxUSE_SPINCTRL=no
   DEFAULT_wxUSE_TOOLTIPS=no
   DEFAULT_wxUSE_COLOURDLG=no
-  DEFAULT_wxUSE_DIRDLG=no
   DEFAULT_wxUSE_DRAGIMAGE=no
   DEFAULT_wxUSE_FINDREPLDLG=no
   DEFAULT_wxUSE_FONTDLG=no
@@ -972,7 +971,6 @@ if test "x$wxUSE_COCOA" != "x" -a "$wxUSE_COCOA" != "0" ; then
   DEFAULT_wxUSE_WIZARDDLG=no
   DEFAULT_wxUSE_SPLITTER=no
   DEFAULT_wxUSE_STARTUP_TIPS=no
-  DEFAULT_wxUSE_TREECTRL=no
 fi
 
 WX_ARG_ENABLE(accel,       [  --enable-accel          use accelerators], wxUSE_ACCEL)