Log Message:
-----------
Fix various pool_error/log format errors.
Patch provided by Akio Ishida.
Modified Files:
--------------
pgpool-II:
pool_sema.c (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_sema.c?r1=1.5&r2=1.6)