Index: data.h
===================================================================
--- data.h	(revision 11880)
+++ data.h	(revision 11881)
@@ -130,6 +130,9 @@
 /* Set up all data layers as bound layers to pcb's Data */
 void pcb_data_bind_board_layers(pcb_board_t *pcb, pcb_data_t *data, int share_rtrees);
 
+/* Recalculate the layer bindings updating meta.bound.real to new board layers */
+void pcb_data_binding_update(pcb_board_t *pcb, pcb_data_t *data);
+
 /* Make sure there are no negative coords in data, knowing the bbox of the data */
 int pcb_data_normalize_(pcb_data_t *data, pcb_box_t *data_bbox);