[poller] Add missing use.

poller.lisp

@@ -1,6 +1,6 @@
 (in-package :cl-user)
 (defpackage chatikbot.poller
-  (:use :cl :chatikbot.utils :chatikbot.secrets)
+  (:use :cl :chatikbot.db :chatikbot.utils :chatikbot.secrets)
   (:export :*poller-token*
            :*poller-module*
            :rest-parameters