[issue3900] ctypes: wrong calling convention for _string_at

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

> This is already fixed in SVN, see issue #3554

Oh... cool because next release will fix it, and fuck because it took 
me hours to found this bug...

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue3900>
_______________________________________