Index: export_openscad.c
===================================================================
--- export_openscad.c	(revision 17460)
+++ export_openscad.c	(revision 17461)
@@ -597,7 +597,7 @@
 
 static const char pcb_acts_scad_export_poly[] = "ScadExportPoly(filename)\n";
 static const char pcb_acth_scad_export_poly[] = "exports all selected polygons to an openscad script; only the outmost contour of each poly is exported";
-static int pcb_act_scad_export_poly(int oargc, const char **oargv)
+static fgw_error_t pcb_act_scad_export_poly(int oargc, const char **oargv)
 {
 	PCB_OLD_ACT_BEGIN;
 	FILE *f;