plugins/muc/muc.lib: Use occupants iterator instead of assuming pairs

diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua
index 99d0ad0734f52c7a3d67113d1866fd41143bd65d..ad3800a7c53a0926756ee85dd08ed677c560bc35 100644 (file)
--- a/plugins/muc/muc.lib.lua
+++ b/plugins/muc/muc.lib.lua
@@ -96,7 +96,7 @@ function room_mt:save_occupant(occupant)
        -- Need to maintain _jid_nick secondary index
        local old_occupant = self._occupants[id];
        if old_occupant then
-               for real_jid in pairs(old_occupant.sessions) do
+               for real_jid in old_occupant:each_session() do
                        self._jid_nick[real_jid] = nil;
                end
        end