pgsql: update for rc1

Log Message:
-----------

update for rc1

Modified Files:
--------------
    pgsql:
        configure (r1.518 -> r1.519)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.518&r2=1.519)
        configure.in (r1.487 -> r1.488)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.487&r2=1.488)
    pgsql/doc:
        bug.template (r1.38 -> r1.39)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/bug.template.diff?r1=1.38&r2=1.39)
    pgsql/src/include:
        pg_config.h.win32 (r1.36 -> r1.37)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.win32.diff?r1=1.36&r2=1.37)