Use the proper ctor in the timestamper process
Use the proper ctor in the timestamper process

linus-sherrill/sprokit,mathstuf/sprokit,mathstuf/sprokit,linus-sherrill/sprokit,linus-sherrill/sprokit,mathstuf/sprokit,mathstuf/sprokit,linus-sherrill/sprokit,Kitware/sprokit,Kitware/sprokit,Kitware/sprokit,Kitware/sprokit