pgsql: Spelling fixes

Log Message:
-----------
Spelling fixes

Tags:
----
REL9_0_STABLE

Modified Files:
--------------
    pgsql/doc/src/sgml:
        config.sgml (r1.294.2.1 -> r1.294.2.2)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/config.sgml?r1=1.294.2.1&r2=1.294.2.2)
        datatype.sgml (r1.250.2.2 -> r1.250.2.3)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/datatype.sgml?r1=1.250.2.2&r2=1.250.2.3)
        install-win32.sgml (r1.57 -> r1.57.4.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/install-win32.sgml?r1=1.57&r2=1.57.4.1)
        installation.sgml (r1.348 -> r1.348.2.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml?r1=1.348&r2=1.348.2.1)
        libpq.sgml (r1.313.2.1 -> r1.313.2.2)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/libpq.sgml?r1=1.313.2.1&r2=1.313.2.2)
        release-9.0.sgml (r2.39 -> r2.39.2.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release-9.0.sgml?r1=2.39&r2=2.39.2.1)
        wal.sgml (r1.68.2.2 -> r1.68.2.3)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/wal.sgml?r1=1.68.2.2&r2=1.68.2.3)
        xml2.sgml (r1.7 -> r1.7.14.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/xml2.sgml?r1=1.7&r2=1.7.14.1)