Use the proper type for declare_configuration_key
Use the proper type for declare_configuration_key

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