dbus: use accessor iso accessing struct directly

modules/control/dbus.c

@@ -488,7 +488,9 @@ DBUS_METHOD( GetLength )
     OUT_ARGUMENTS;
 
     playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_this );
-    dbus_int32_t i_elements = p_playlist->current.i_size;
+    PL_LOCK;
+    dbus_int32_t i_elements = playlist_CurrentSize( p_playlist );
+    PL_UNLOCK;
     pl_Release( (vlc_object_t*) p_this );
 
     ADD_INT32( &i_elements );
@@ -519,7 +521,7 @@ DBUS_METHOD( DelTrack )
 
     p_playlist = pl_Hold( (vlc_object_t*) p_this );
     PL_LOCK;
-    if( i_position < p_playlist->current.i_size )
+    if( i_position < playlist_CurrentSize( p_playlist ) )
     {
         playlist_DeleteFromInput( p_playlist,
             p_playlist->current.p_elems[i_position]->p_input->i_id,
@@ -1905,7 +1907,9 @@ DBUS_SIGNAL( TrackListChangeSignal )
     OUT_ARGUMENTS;
 
     playlist_t *p_playlist = pl_Hold( (vlc_object_t*) p_data );
-    dbus_int32_t i_elements = p_playlist->current.i_size;
+    PL_LOCK;
+    dbus_int32_t i_elements = playlist_CurrentSize( p_playlist );
+    PL_UNLOCK;
     pl_Release( (vlc_object_t*) p_data );
 
     ADD_INT32( &i_elements );