pgsql: Spelling fixes

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

Tags:
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REL9_0_STABLE

Modified Files:
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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)