message: Change signal raised by fatal event handling
  Segmentation fault doesn't seem like an appropriate choice for handling
  Fatal events. SIGTERM allows for cleaner exit (if signal handler is
  implemented).
diff: @@ -27,9 +27,9 @@ namespace Svc {
  FwEventIdType Id) {
  // for **nix, delay then exit with error code
  Fw::Logger::logMsg("FATAL %d handled.\n",(U32)Id,0,0,0,0,0);
  + (void)raise( SIGTERM );
  (void)Os::Task::delay(1000);
  Fw::Logger::logMsg("Exiting.\n",0,0,0,0,0,0);
  - (void)raise( SIGSEGV );
  exit(1);
  }
  