fix wrong event passed to del() in client_msg_cb cleanup

Author: MegaManSec

plugins/sudoers/log_client.c

@@ -1965,7 +1965,7 @@ client_msg_cb(int fd, int what, void *v)
     if (closure->log_details->ignore_log_errors) {
 	/* Disable plugin, the command continues. */
 	closure->disabled = true;
-	closure->write_ev->del(closure->read_ev);
+	closure->read_ev->del(closure->read_ev);
 	closure->write_ev->del(closure->write_ev);
     } else {
 	/* Break out of sudo event loop and kill the command. */