Index: polyhelp.c
===================================================================
--- polyhelp.c	(revision 17460)
+++ polyhelp.c	(revision 17461)
@@ -363,7 +363,7 @@
 
 static const char pcb_acts_PolyHatch[] = "PolyHatch([spacing], [hvcp])\nPolyHatch(interactive)\n";
 static const char pcb_acth_PolyHatch[] = "hatch the selected polygon(s) with lines of the current style; lines are drawn on the current layer; flags are h:horizontal, v:vertical, c:contour, p:poly";
-static int pcb_act_PolyHatch(int oargc, const char **oargv)
+static fgw_error_t pcb_act_PolyHatch(int oargc, const char **oargv)
 {
 	PCB_OLD_ACT_BEGIN;
 	pcb_coord_t period = 0;
@@ -470,7 +470,7 @@
 
 static const char pcb_acts_PolyOffs[] = "PolyOffs(offset)\n";
 static const char pcb_acth_PolyOffs[] = "replicate the outer contour of the selected polygon(s) with growing or shrinking them by offset; the new polygon is drawn on the current layer";
-static int pcb_act_PolyOffs(int oargc, const char **oargv)
+static fgw_error_t pcb_act_PolyOffs(int oargc, const char **oargv)
 {
 	PCB_OLD_ACT_BEGIN;
 	pcb_coord_t offs;
Index: topoly.c
===================================================================
--- topoly.c	(revision 17460)
+++ topoly.c	(revision 17461)
@@ -316,7 +316,7 @@
 
 const char pcb_acts_topoly[] = "ToPoly()\nToPoly(outline)\n";
 const char pcb_acth_topoly[] = "convert a closed loop of lines and arcs into a polygon";
-int pcb_act_topoly(int oargc, const char **oargv)
+fgw_error_t pcb_act_topoly(int oargc, const char **oargv)
 {
 	PCB_OLD_ACT_BEGIN;
 	void *r1, *r2, *r3;
Index: topoly.h
===================================================================
--- topoly.h	(revision 17460)
+++ topoly.h	(revision 17461)
@@ -29,6 +29,7 @@
 
 #include "board.h"
 #include "obj_common.h"
+#include <libfungw/fungw.h>
 
 typedef enum pcb_topoly_e {
 	PCB_TOPOLY_KEEP_ORIG = 1,   /* keep original objects */
@@ -45,6 +46,6 @@
 
 extern const char pcb_acts_topoly[];
 extern const char pcb_acth_topoly[];
-int pcb_act_topoly(int oargc, const char **oargv);
+fgw_error_t pcb_act_topoly(int oargc, const char **oargv);
 
 #endif