File/dir dialog styles and other changes (patch 1488371):

- check invalid combinations of styles in wxFileDialogBase::Create()
- use wxFD_XXX naming convention for wxFileDialog styles
- replaces wxDD_NEW_DIR_BUTTON with wxDD_DIR_MUST_EXIST
- removes #ifdef __WXGTK24__ / #endif blocks from wxGTK code
- removes wxFileDialogBase::Get/SetStyle and wxFileDialogBase::m_fileName
- renames wxDirDialogGTK to wxDirDialog


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39402 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/prntdlgg.cpp

@@ -295,7 +295,7 @@ void wxGenericPrintDialog::OnOK(wxCommandEvent& WXUNUSED(event))
         wxFileName fname( m_printDialogData.GetPrintData().GetFilename() );
 
         wxFileDialog dialog( this, _("PostScript file"),
-            fname.GetPath(), fname.GetFullName(), wxT("*.ps"), wxSAVE | wxOVERWRITE_PROMPT );
+            fname.GetPath(), fname.GetFullName(), wxT("*.ps"), wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
         if (dialog.ShowModal() != wxID_OK) return;
 
         m_printDialogData.GetPrintData().SetFilename( dialog.GetPath() );