Use _smp_mflags
[commhistory-daemon] Disable ConnectsAutomatically when setting offline presence

An AutomaticPresence of Offline is not allowed, but setting
ConnectsAutomatically has the desired effect: the account will not be
connected unless specifically requested. This fixes the offline presence
being reset when connectivity changes.
Merge pull request #38 from special/fix-offline-presence

[commhistory-daemon] Disable ConnectsAutomatically when setting offline presence