pgsql: Applied patch by Boszormenyi Zoltan to fix

Log Message:
-----------
Applied patch by Boszormenyi Zoltan <zb@cybertec.at> to fix problem in auto-prepare mode if the connection is closed
andre-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)