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/generic/filedlgg.cpp

@@ -20,6 +20,8 @@
 #pragma hdrstop
 #endif
 
+#if wxUSE_FILEDLG
+
 #ifndef __UNIX__
 #error wxFileDialog currently only supports unix
 #endif
@@ -1320,3 +1322,5 @@ public:
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxFileDialogGenericModule, wxModule)
+
+#endif // wxUSE_FILEDLG