pgsql: Stamp releases 8.2.4, 8.1.9, 8.0.13, 7.4.17, 7.3.19.

Log Message:
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Stamp releases 8.2.4, 8.1.9, 8.0.13, 7.4.17, 7.3.19.

Tags:
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REL7_3_STABLE

Modified Files:
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    pgsql/doc:
        bug.template (r1.21.2.20 -> r1.21.2.21)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/bug.template.diff?r1=1.21.2.20&r2=1.21.2.21)
    pgsql/src/include:
        pg_config.h.win32 (r1.8.2.18 -> r1.8.2.19)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.win32.diff?r1=1.8.2.18&r2=1.8.2.19)
    pgsql/src/interfaces/libpq:
        libpq.rc (r1.9.2.18 -> r1.9.2.19)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/libpq.rc.diff?r1=1.9.2.18&r2=1.9.2.19)