Index: obj_arc_draw.h
===================================================================
--- obj_arc_draw.h	(revision 37884)
+++ obj_arc_draw.h	(revision 37885)
@@ -32,8 +32,8 @@
 
 /* Include rtree.h for this */
 #ifdef RND_RTREE_H
-rnd_r_dir_t pcb_arc_draw_callback(const rnd_box_t * b, void *cl);
-rnd_r_dir_t pcb_arc_draw_term_callback(const rnd_box_t * b, void *cl);
+rnd_rtree_dir_t pcb_arc_draw_callback(void *cl, void *obj, const rnd_rtree_box_t *box);
+rnd_rtree_dir_t pcb_arc_draw_term_callback(void *cl, void *obj, const rnd_rtree_box_t *box);
 #endif
 
 void pcb_arc_draw_(pcb_draw_info_t *info, pcb_arc_t *arc, int allow_term_gfx);