Index: polygon_act.c
===================================================================
--- polygon_act.c	(revision 15863)
+++ polygon_act.c	(revision 15864)
@@ -45,6 +45,7 @@
 #include "search.h"
 #include "crosshair.h"
 #include "compat_nls.h"
+#include "tool.h"
 
 #include "obj_poly.h"