first pass of wxUniv merge - nothing works, most parts don't even compile

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/dirdlg.cpp

@@ -16,6 +16,7 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
     #pragma implementation "dirdlg.h"
 #endif
@@ -27,6 +28,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_DIRDLG
+
 #if defined(__WIN95__) && !defined(__GNUWIN32_OLD__)
 
 #ifndef WX_PRECOMP
@@ -189,3 +192,5 @@ static void ItemListFree(LPITEMIDLIST pidl)
 #else
     #include "../generic/dirdlgg.cpp"
 #endif // compiler/platform on which the code here compiles
+
+#endif // wxUSE_DIRDLG