Log Message:
-----------
Fix ErrorResponse so that it checks existence of a session context.
Modified Files:
--------------
pgpool-II:
pool_proto2.c (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_proto2.c?r1=1.6&r2=1.7)