Fix randomization in previous commit

src/playlist/sort.c

@@ -113,10 +113,6 @@ static int playlist_ItemArraySort( playlist_t *p_playlist, int i_items,
     int i_position;
     playlist_item_t *p_temp;
 
-    vlc_mutex_lock( &sort_lock );
-    sort_mode = i_mode;
-    sort_type = i_type;
-
     (void)p_playlist; // a bit surprising we don't need p_playlist!
 
     if( i_mode == SORT_RANDOM )
@@ -136,6 +132,10 @@ static int playlist_ItemArraySort( playlist_t *p_playlist, int i_items,
 
         return VLC_SUCCESS;
     }
+
+    vlc_mutex_lock( &sort_lock );
+    sort_mode = i_mode;
+    sort_type = i_type;
     qsort(pp_items,i_items,sizeof(pp_items[0]),playlist_cmp);
     vlc_mutex_unlock( &sort_lock );
     return VLC_SUCCESS;