BUG #6162: initdb : Windows username isn't escaped

The following bug has been logged online:

Bug reference:      6162
Logged by:          Emmanuel Guyot
Email address:      emmanuel.guyot@gmail.com
PostgreSQL version: 8.2.3
Operating system:   Windows 7
Description:        initdb : Windows username isn't escaped
Details:

Initdb crashes when I use it with a windows username that has a quote inside
(e.g. : L'élixir)

Here is the error reported :
initialisation des droits sur les objets internes... 2010-05-14 17:01:25.434
FATAL: syntax error at or near "élixir" at character 44
2010-05-14 17:01:25.434 STATEMENT: UPDATE pg_class SET relacl =
E'{"=r/\\"L'élixir\\""}' WHERE relkind IN ('r', 'v', 'S') AND relacl IS
NULL;

If I force the username as an option with the escaped value L\'élixir the
initdb works fine, but I can't start the server. So I can't find a
workaround.

I've watched the newer sources of initdb and I can't see any change for this
bug.