pgsql: Applied patch by Boszormenyi Zoltan <zb@cybertec.at> to fix

Log Message:
-----------
Applied patch by Boszormenyi Zoltan <zb(at)cybertec(dot)at> to fix problem in auto-prepare mode if the connection is closed and re-opened and the previously prepared query is issued again.

Modified Files:
--------------
pgsql/src/interfaces/ecpg/ecpglib:
execute.c (r1.88 -> r1.89)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/execute.c?r1=1.88&r2=1.89)
prepare.c (r1.34 -> r1.35)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/prepare.c?r1=1.34&r2=1.35)
pgsql/src/interfaces/ecpg/test/expected:
preproc-autoprep.c (r1.7 -> r1.8)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/preproc-autoprep.c?r1=1.7&r2=1.8)
preproc-autoprep.stderr (r1.7 -> r1.8)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/preproc-autoprep.stderr?r1=1.7&r2=1.8)
preproc-autoprep.stdout (r1.2 -> r1.3)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/preproc-autoprep.stdout?r1=1.2&r2=1.3)
pgsql/src/interfaces/ecpg/test/preproc:
autoprep.pgc (r1.3 -> r1.4)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/preproc/autoprep.pgc?r1=1.3&r2=1.4)