Fixed a few bugs in Util::Procs SIGCHILD handling / isActive function.
Fixed a few bugs in Util::Procs SIGCHILD handling / isActive function.

rbouqueau/libdtsc_xp,DDVTECH/mistserver,DDVTECH/mistserver,rbouqueau/libdtsc_xp,DDVTECH/mistserver,DDVTECH/mistserver,rbouqueau/libdtsc_xp,DDVTECH/mistserver