Log Message:
-----------
Change follow_master_command so that it doesn't detach standby nodes,
if it's empty.
Modified Files:
--------------
pgpool-II:
main.c (r1.96 -> r1.97)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/main.c?r1=1.96&r2=1.97)