pgsql: Stamp 7.3.12.

Log Message:
-----------
Stamp 7.3.12.

Tags:
----
REL7_3_STABLE

Modified Files:
--------------
    pgsql:
        configure (r1.226.2.19 -> r1.226.2.20)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.226.2.19&r2=1.226.2.20)
        configure.in (r1.217.2.18 -> r1.217.2.19)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.217.2.18&r2=1.217.2.19)
    pgsql/doc:
        bug.template (r1.21.2.12 -> r1.21.2.13)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/bug.template.diff?r1=1.21.2.12&r2=1.21.2.13)
    pgsql/src/include:
        pg_config.h.win32 (r1.8.2.11 -> r1.8.2.12)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.win32.diff?r1=1.8.2.11&r2=1.8.2.12)
    pgsql/src/interfaces/libpq:
        libpq.rc (r1.9.2.11 -> r1.9.2.12)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/libpq.rc.diff?r1=1.9.2.11&r2=1.9.2.12)