template<class T> void
SessionPlaylists::foreach (T *obj, void (T::*func)(boost::shared_ptr<Playlist>))
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Threads::Mutex::Lock lm (lock);
for (List::iterator i = playlists.begin(); i != playlists.end(); i++) {
if (!(*i)->hidden()) {
(obj->*func) (*i);