Prosody's mod_mam patch to get dab history items highlighted in logs

gistfile1.diff

diff -r aed20f9e78c8 mod_mam/mod_mam.lua
--- a/mod_mam/mod_mam.lua       Mon Mar 16 16:19:53 2015 +0100
+++ b/mod_mam/mod_mam.lua       Mon Mar 23 13:49:03 2015 +0100
@@ -145,6 +145,7 @@ module:hook("iq-set/self/"..xmlns_mam.."
                if not is_stanza(item) then
                        item = st.deserialize(item);
                end
+               if not item then module:log("error", "item %s is %s", id, tostring(item)); end
                item.attr.xmlns = "jabber:client";
                fwd_st:add_child(item);