Thread: pgsql-server: Add regression test inspired by Sebastian Böck.

Log Message:
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Add regression test inspired by Sebastian B�ck.

Modified Files:
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    pgsql-server/src/test/regress/expected:
        rules.out (r1.92 -> r1.93)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/test/regress/expected/rules.out.diff?r1=1.92&r2=1.93)
    pgsql-server/src/test/regress/sql:
        rules.sql (r1.29 -> r1.30)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/test/regress/sql/rules.sql.diff?r1=1.29&r2=1.30)