server-tools/instance-manager/listener.cc:
  Polishing: declare variable prior to the first statement in block.
server-tools/instance-manager/listener.h:
  Polishing.
server-tools/instance-manager/manager.cc:
  Make Manager::manager_pid local variable.
server-tools/instance-manager/manager.h:
  Make Manager::manager_pid local variable.
server-tools/instance-manager/thread_registry.cc:
  Polsihing.