Fix "fmt % thing" : fmt missing the %s 
Fix "fmt % thing" : fmt missing the %s 

With this the Livestatus was simply not usable at all within a scheduler :|

Seen while investigating on https://github.com/naparuba/shinken/pull/1623
shinken-monitoring/mod-livestatus,shinken-monitoring/mod-livestatus,staute/shinken-mod-livestatus,staute/shinken-mod-livestatus