Index: layer_grp.h
===================================================================
--- layer_grp.h	(revision 7739)
+++ layer_grp.h	(revision 7740)
@@ -76,8 +76,8 @@
 
 /* Same as pcb_layer_list but lists layer groups. A group is matching
    if any layer in that group matches mask. */
-int pcb_layer_group_list(pcb_layer_type_t mask, pcb_layergrp_id_t *res, int res_len);
-int pcb_layer_group_list_any(pcb_layer_type_t mask, pcb_layergrp_id_t *res, int res_len);
+int pcb_layer_group_list(pcb_board_t *pcb, pcb_layer_type_t mask, pcb_layergrp_id_t *res, int res_len);
+int pcb_layer_group_list_any(pcb_board_t *pcb, pcb_layer_type_t mask, pcb_layergrp_id_t *res, int res_len);
 
 /* Put a layer in a group (the layer should not be in any other group);
    returns 0 on success */