Include lua-sec in xmpp install

src/freedombone

@@ -6696,6 +6696,7 @@ function install_xmpp {
   if grep -Fxq "install_xmpp" $COMPLETION_FILE; then
       return
   fi
+  apt-get -y install lua-sec
   apt-get -y install prosody
 
   if [ ! -d /etc/prosody ]; then