Index: export_openscad.c
===================================================================
--- export_openscad.c	(revision 19117)
+++ export_openscad.c	(revision 19118)
@@ -356,7 +356,7 @@
 
 
 
-static int openscad_set_layer_group(pcb_layergrp_id_t group, pcb_layer_id_t layer, unsigned int flags, int is_empty)
+static int openscad_set_layer_group(pcb_layergrp_id_t group, const char *purpose, int purpi, pcb_layer_id_t layer, unsigned int flags, int is_empty)
 {
 	if (flags & PCB_LYT_UI)
 		return 0;