* fix accessing mons[-1] when monster figures out if a tin cures stoning
* have string_for_opt() return empty_optstr on failure
* ensure existing callers of string_for_opt() check return value before using it
- * fix potential buffer overflow in add_menu_coloring()0
+ * fix potential buffer overflow in add_menu_coloring()
* fix potential buffer overflow in sym_val()
* fix potential buffer overflow in pline(), raw_printf(), and config_error_add()
* fix potential buffer overflow in choose_windows()