Fix bug in not updating playlist when hitting next/previous control

buttons (and simplify code at the same time).

modules/gui/wxwindows/interface.cpp

@@ -2,7 +2,7 @@
  * interface.cpp : wxWindows plugin for vlc
  *****************************************************************************
  * Copyright (C) 2000-2001,2003 VideoLAN
- * $Id: interface.cpp,v 1.73 2003/12/03 00:24:16 rocky Exp $
+ * $Id: interface.cpp,v 1.74 2003/12/03 04:19:59 rocky Exp $
  *
  * Authors: Gildas Bazin <gbazin@netcourrier.com>
  *
@@ -1206,10 +1206,7 @@ void Interface::OnPrevStream( wxCommandEvent& WXUNUSED(event) )
             vlc_value_t val; val.b_bool = VLC_TRUE;
 	    vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
             var_Set( p_playlist->p_input, "prev-title", val );
-            vlc_mutex_unlock( &p_playlist->object_lock );
-            vlc_object_release( p_playlist );  
-            return;
-        }
+        } else 
 	    vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
     }
     vlc_mutex_unlock( &p_playlist->object_lock );
@@ -1239,10 +1236,7 @@ void Interface::OnNextStream( wxCommandEvent& WXUNUSED(event) )
             vlc_value_t val; val.b_bool = VLC_TRUE;
 	    vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
             var_Set( p_playlist->p_input, "next-title", val );
-            vlc_mutex_unlock( &p_playlist->object_lock );
-            vlc_object_release( p_playlist );
-            return;
-        }
+        } else 
 	    vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
     }
     vlc_mutex_unlock( &p_playlist->object_lock );