Index: obj_rat_draw.h
===================================================================
--- obj_rat_draw.h	(revision 4631)
+++ obj_rat_draw.h	(revision 4632)
@@ -26,8 +26,10 @@
 
 /*** Standard draw on rats ***/
 
-#include "rtree.h"
+/* Include rtree.h for these */
+#ifdef PCB_RTREE_H
 r_dir_t draw_rat_callback(const BoxType * b, void *cl);
+#endif
 
 void EraseRat(RatTypePtr Rat);
 void DrawRat(RatTypePtr Rat);