Enabling char room avatar

src/freedombone-app-xmpp

@@ -965,6 +965,7 @@ function xmpp_create_config {
       echo '        "muc_limits";';
       echo '        "muc_log";';
       echo '        "mam_muc";';
+      echo '        "vcard_muc";';
       echo '        "muc_log_http";';
       echo '    }';
       echo 'storage = { muc_log = "sql"; }';