Index: millpath.c
===================================================================
--- millpath.c	(revision 17460)
+++ millpath.c	(revision 17461)
@@ -45,7 +45,7 @@
 
 static const char pcb_acts_mill[] = "mill()";
 static const char pcb_acth_mill[] = "Calculate toolpath for milling away copper";
-int pcb_act_mill(int oargc, const char **oargv)
+fgw_error_t pcb_act_mill(int oargc, const char **oargv)
 {
 	PCB_OLD_ACT_BEGIN;
 	ctx.edge_clearance = PCB_MM_TO_COORD(0.05);