pgsql: More < and > changes to ampersands.

Log Message:
-----------
More < and > changes to ampersands.

8.0.X and HEAD.

Modified Files:
--------------
    pgsql/doc/src/sgml/ref:
        create_table.sgml (r1.90 -> r1.91)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_table.sgml.diff?r1=1.90&r2=1.91)
        grant.sgml (r1.44 -> r1.45)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/grant.sgml.diff?r1=1.44&r2=1.45)
        lock.sgml (r1.45 -> r1.46)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/lock.sgml.diff?r1=1.45&r2=1.46)
        psql-ref.sgml (r1.131 -> r1.132)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml.diff?r1=1.131&r2=1.132)
        reindex.sgml (r1.25 -> r1.26)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/reindex.sgml.diff?r1=1.25&r2=1.26)
        select.sgml (r1.80 -> r1.81)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/select.sgml.diff?r1=1.80&r2=1.81)