pgsql-server: Stamp 7.4.3.

Log Message:
-----------
Stamp 7.4.3.  Still need release notes.

Tags:
----
REL7_4_STABLE

Modified Files:
--------------
    pgsql-server/doc:
        bug.template (r1.21.6.3 -> r1.21.6.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/bug.template.diff?r1=1.21.6.3&r2=1.21.6.4)
    pgsql-server/src/include:
        pg_config.h.win32 (r1.11.4.3 -> r1.11.4.4)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/include/pg_config.h.win32.diff?r1=1.11.4.3&r2=1.11.4.4)
    pgsql-server/src/interfaces/libpq:
        libpq.rc (r1.10.4.2 -> r1.10.4.3)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/libpq/libpq.rc.diff?r1=1.10.4.2&r2=1.10.4.3)