Index: renumber.c
===================================================================
--- renumber.c	(revision 23688)
+++ renumber.c	(revision 23689)
@@ -93,7 +93,7 @@
 		name = pcb_gui->fileselect(_("Save Renumber Annotation File As ..."),
 													 _("Choose a file to record the renumbering to.\n"
 														 "This file may be used to back annotate the\n"
-														 "change to the schematics.\n"), default_file, ".eco", "eco", 0);
+														 "change to the schematics.\n"), default_file, ".eco", "eco", 0, NULL);
 
 		free_name = pcb_true;
 	}