Fixed a potential bug with callsigns for empty project names.
Fixed a potential bug with callsigns for empty project names.

mvaled/sentry,beeftornado/sentry,jean/sentry,JamesMura/sentry,gencer/sentry,JackDanger/sentry,fotinakis/sentry,zenefits/sentry,looker/sentry,ifduyue/sentry,alexm92/sentry,mvaled/sentry,BuildingLink/sentry,gencer/sentry,jean/sentry,zenefits/sentry,BuildingLink/sentry,looker/sentry,mvaled/sentry,zenefits/sentry,mitsuhiko/sentry,zenefits/sentry,ifduyue/sentry,jean/sentry,alexm92/sentry,ifduyue/sentry,JamesMura/sentry,fotinakis/sentry,gencer/sentry,beeftornado/sentry,mvaled/sentry,jean/sentry,ifduyue/sentry,JamesMura/sentry,looker/sentry,zenefits/sentry,looker/sentry,mvaled/sentry,BuildingLink/sentry,looker/sentry,mitsuhiko/sentry,JackDanger/sentry,JamesMura/sentry,gencer/sentry,mvaled/sentry,gencer/sentry,ifduyue/sentry,JackDanger/sentry,jean/sentry,JamesMura/sentry,fotinakis/sentry,fotinakis/sentry,alexm92/sentry,BuildingLink/sentry,BuildingLink/sentry,beeftornado/sentry