region player_flags follow-up correction [trunk only]

include/patchlevel.h

@@ -13,7 +13,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL	17
+#define EDITLEVEL	18
 
 #define COPYRIGHT_BANNER_A \
 "NetHack, Copyright 1985-2004"

include/region.h

@@ -21,6 +21,14 @@ typedef boolean FDECL((*callback_proc), (genericptr_t, genericptr_t));
 #define set_heros_fault(r)	((r)->player_flags &= ~REG_NOT_HEROS)
 #define clear_heros_fault(r)	((r)->player_flags |= REG_NOT_HEROS)
 
+/*
+ * Note: if you change the size/type of any of the fields below,
+ *       or add any/remove any fields, you must update the
+ *       bwrite() calls in save_regions(), and the
+ *       mread() calls in rest_regions() in src/region.c
+ *       to reflect the changes.
+ */
+
 typedef struct {
   NhRect bounding_box;		/* Bounding box of the region */
   NhRect *rects;		/* Rectangles composing the region */