Обсуждение: pgsql: Add send and recv functions for xml type.

Log Message:
-----------
Add send and recv functions for xml type.

Modified Files:
--------------
    pgsql/src/backend/utils/adt:
        xml.c (r1.6 -> r1.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/xml.c.diff?r1=1.6&r2=1.7)
    pgsql/src/include/catalog:
        catversion.h (r1.366 -> r1.367)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/catversion.h.diff?r1=1.366&r2=1.367)
        pg_proc.h (r1.432 -> r1.433)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/pg_proc.h.diff?r1=1.432&r2=1.433)
        pg_type.h (r1.174 -> r1.175)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/pg_type.h.diff?r1=1.174&r2=1.175)
    pgsql/src/include/utils:
        xml.h (r1.3 -> r1.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/xml.h.diff?r1=1.3&r2=1.4)