Shut down session on receipt of "ctld\n" even when reading arguments:

(player): New member eof.
(recvclient): Return -1 without receiving input when it is set.  Set
it on receipt of "ctld\n".
(execute): Clear it after receiving the script.

src/lib/player/player.c

@@ -302,6 +302,7 @@ execute(void)
     }
     if (redir == NULL)
 	pr("Execute : %s\n", failed ? "aborted" : "terminated");
+    player->eof = 0;
     return RET_OK;
 }