pgsql: tag for 8.0.18

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

tag for 8.0.18

Tags:
----
REL8_0_STABLE

Modified Files:
--------------
    pgsql:
        configure (r1.424.4.25 -> r1.424.4.26)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/configure?r1=1.424.4.25&r2=1.424.4.26)
        configure.in (r1.398.4.26 -> r1.398.4.27)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/configure.in?r1=1.398.4.26&r2=1.398.4.27)
    pgsql/doc:
        bug.template (r1.26.4.20 -> r1.26.4.21)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/bug.template?r1=1.26.4.20&r2=1.26.4.21)
    pgsql/src/include:
        pg_config.h.win32 (r1.21.4.18 -> r1.21.4.19)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.win32?r1=1.21.4.18&r2=1.21.4.19)
    pgsql/src/interfaces/libpq:
        libpq.rc.in (r1.2.4.19 -> r1.2.4.20)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/libpq.rc.in?r1=1.2.4.19&r2=1.2.4.20)
    pgsql/src/port:
        win32ver.rc (r1.5.4.17 -> r1.5.4.18)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/port/win32ver.rc?r1=1.5.4.17&r2=1.5.4.18)