Index: polygon.c
===================================================================
--- polygon.c	(revision 36988)
+++ polygon.c	(revision 36989)
@@ -72,7 +72,7 @@
 static const char *polygon_cookie = "core polygon";
 
 
-void pcb_poly_layers_chg(rnd_hidlib_t *hidlib, void *user_data, int argc, rnd_event_arg_t argv[])
+void pcb_poly_layers_chg(rnd_design_t *hidlib, void *user_data, int argc, rnd_event_arg_t argv[])
 {
 	pcb_layer_t *ly;
 	pcb_data_t *data;