* options.h, g10.c (main), keylist.c (list_keyblock_print), keyedit.c

(print_and_check_one_sig): New "show-sig-expire" list-option to show
signature expiration dates (if any).

g10/g10.c

@@ -1764,6 +1764,7 @@ main( int argc, char **argv )
 		  {"show-keyring",LIST_SHOW_KEYRING},
 		  {"show-validity",LIST_SHOW_VALIDITY},
 		  {"show-long-keyid",LIST_SHOW_LONG_KEYID},
+		  {"show-sig-expire",LIST_SHOW_SIG_EXPIRE},
 		  {NULL,0}
 		};