Add missing use statement in mod/community

- Addresses https://github.com/friendica/friendica/issues/7998#issuecomment-569265877

diff --git a/mod/community.php b/mod/community.php
index 4d98f0c4fa24d6dabd74ad7097bb34e1b240f168..9bea93f12a6a287379a48d01196316a3ab34b78e 100644 (file)
--- a/mod/community.php
+++ b/mod/community.php
@@ -13,6 +13,7 @@ use Friendica\Core\Config;
 use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Core\Renderer;
+use Friendica\Core\Session;
 use Friendica\Database\DBA;
 use Friendica\Model\Item;
 use Friendica\Model\User;