Add blacklist during xmpp upgrades

src/freedombone-app-xmpp

@@ -469,6 +469,13 @@ function update_prosody_modules {
         sed -i '/"muc_limits";/a "s2s_blacklist";' /etc/prosody/prosody.cfg.lua
         sed -i 's|"s2s_blacklist";|  "s2s_blacklist";|g' /etc/prosody/prosody.cfg.lua
     fi
+
+    if ! grep -q "s2s_blacklist =" /etc/prosody/prosody.cfg.lua; then
+        xmpp_server_blacklist /etc/prosody/prosody.cfg.lua
+    fi
+
+    xmpp_broadcast /etc/prosody/prosody.cfg.lua
+
     if ! grep -q "vcard_muc" /etc/prosody/prosody.cfg.lua; then
         sed -i '/"mam_muc";/a "vcard_muc";' /etc/prosody/prosody.cfg.lua
     fi