Index: obj_arc_ui.c
===================================================================
--- obj_arc_ui.c	(revision 30911)
+++ obj_arc_ui.c	(revision 30912)
@@ -133,7 +133,7 @@
 }
 
 
-int pcb_obj_ui_arc_point_bbox(int Type, void *Ptr1, void *Ptr2, void *Ptr3, pcb_box_t *res)
+int pcb_obj_ui_arc_point_bbox(int Type, void *Ptr1, void *Ptr2, void *Ptr3, rnd_box_t *res)
 {
 	pcb_arc_t *arc = Ptr2;
 	int *end_pt = Ptr3;