Log the actor request.

activitypub.c

@@ -1139,6 +1139,8 @@ int activitypub_get_handler(d_char *req, char *q_path,
         /* if there was no component after the user, it's an actor request */
         msg = msg_actor(&snac);
         *ctype = "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"";
+
+        snac_debug(&snac, 0, xs_fmt("actor requested"));
     }
     else
     if (strcmp(p_path, "outbox") == 0) {