Index: obj_pstk.h
===================================================================
--- obj_pstk.h	(revision 29018)
+++ obj_pstk.h	(revision 29019)
@@ -108,7 +108,7 @@
 unsigned int pcb_pstk_hash(const pcb_host_trans_t *tr, const pcb_pstk_t *p);
 
 
-void pcb_pstk_set_thermal(pcb_pstk_t *ps, unsigned long lid, unsigned char shape);
+void pcb_pstk_set_thermal(pcb_pstk_t *ps, unsigned long lid, unsigned char shape, int undoable);
 unsigned char *pcb_pstk_get_thermal(pcb_pstk_t *ps, unsigned long lid, pcb_bool_t alloc);
 
 pcb_pstk_t *pcb_pstk_by_id(pcb_data_t *base, long int ID);