[Pgpool-committers] pgpool - pgpool: Fix pool_close() to avoid free() not allocated memory.

[User T-ishii]

Log Message:
-----------
Fix pool_close() to avoid free() not allocated
memory. pool_discard_params() should be called only when
this is the backend connection.

Modified Files:
--------------
    pgpool:
        pool_stream.c (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool/pool_stream.c.diff?r1=1.6&r2=1.7)