server-tools/instance-manager/Makefile.am:
  Generate more warnings.
server-tools/instance-manager/commands.cc:
  Eliminate warnings.
server-tools/instance-manager/commands.h:
  Eliminate warnings.
server-tools/instance-manager/instance.cc:
  Eliminate warnings.
server-tools/instance-manager/mysql_connection.cc:
  Eliminate warnings.
server-tools/instance-manager/parse.cc:
  Eliminate warnings.
server-tools/instance-manager/user_map.cc:
  Eliminate warnings.
server-tools/instance-manager/user_map.h:
  Eliminate warnings.