String changes for translations,

Made wxBitmap derive from wxGDIObject,
  Removed #ifdefs around destrctors for GDI lists (wxBrushList etc),
  Created wxEVT_COMMAND_SPINCTRL_UPDATE with obvious usage.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4813 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/dirdlgg.cpp

@@ -146,7 +146,7 @@ void wxDirItemData::SetNewDirName( wxString path )
 
 bool wxDirItemData::HasSubDirs()
 {
-    wxString search = m_path + "/*";
+    wxString search = m_path + wxT("/*");
     wxLogNull log;
     wxString path = wxFindFirstFile( search, wxDIR );
     return (bool)(!path.IsNull());