Thread: pgsql: Support 3 and 4-byte unicode characters.

Log Message:
-----------
Support 3 and 4-byte unicode characters.

John Hansen

Modified Files:
--------------
    pgsql/src/backend/utils/mb:
        conv.c (r1.52 -> r1.53)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/mb/conv.c.diff?r1=1.52&r2=1.53)
        wchar.c (r1.43 -> r1.44)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/mb/wchar.c.diff?r1=1.43&r2=1.44)
    pgsql/src/include/mb:
        pg_wchar.h (r1.58 -> r1.59)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/mb/pg_wchar.h.diff?r1=1.58&r2=1.59)