Index: obj_subc.h
===================================================================
--- obj_subc.h	(revision 28364)
+++ obj_subc.h	(revision 28365)
@@ -168,7 +168,10 @@
    with the coords of the point. */
 pcb_bool pcb_subc_find_aux_point(pcb_subc_t *sc, const char *role, pcb_coord_t *x, pcb_coord_t *y);
 
+/* Find and save the aux layer in the cache, of it exists */
+void pcb_subc_cache_find_aux(pcb_subc_t *sc, int alloc);
 
+
 pcb_subc_t *pcb_subc_dup_at(pcb_board_t *pcb, pcb_data_t *dst, pcb_subc_t *src, pcb_coord_t dx, pcb_coord_t dy, pcb_bool keep_ids);
 
 /* Replace dst with a copy of src in place (preserving location and orientation