pgsql: - Enabled single-quoted connection targets.

Log Message:
-----------
- Enabled single-quoted connection targets.
- Fixed a memory leak/segfault in unsuccessful connection.
- Some changes to test files.

Modified Files:
--------------
    pgsql/src/interfaces/ecpg:
        ChangeLog (r1.329 -> r1.330)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ChangeLog.diff?r1=1.329&r2=1.330)
    pgsql/src/interfaces/ecpg/ecpglib:
        connect.c (r1.33 -> r1.34)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/connect.c.diff?r1=1.33&r2=1.34)
    pgsql/src/interfaces/ecpg/preproc:
        preproc.y (r1.332 -> r1.333)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/preproc.y.diff?r1=1.332&r2=1.333)
    pgsql/src/interfaces/ecpg/test/connect:
        Makefile (r1.3 -> r1.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/connect/Makefile.diff?r1=1.3&r2=1.4)
        test1.pgc.in (r1.1 -> r1.2)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/connect/test1.pgc.in.diff?r1=1.1&r2=1.2)
    pgsql/src/interfaces/ecpg/test/expected:
        connect-test1.c (r1.2 -> r1.3)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/connect-test1.c.diff?r1=1.2&r2=1.3)
        connect-test1.stderr (r1.2 -> r1.3)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/connect-test1.stderr.diff?r1=1.2&r2=1.3)

Added Files:
-----------
    pgsql/src/interfaces/ecpg/test/connect:
        test5.pgc (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/connect/test5.pgc?rev=1.1&content-type=text/x-cvsweb-markup)
    pgsql/src/interfaces/ecpg/test/expected:
        connect-test5.c (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/connect-test5.c?rev=1.1&content-type=text/x-cvsweb-markup)
        connect-test5.stderr (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/connect-test5.stderr?rev=1.1&content-type=text/x-cvsweb-markup)
        connect-test5.stdout (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/connect-test5.stdout?rev=1.1&content-type=text/x-cvsweb-markup)