[docs] [issue11253] Document ctypes.wintypes constants

Change by Berker Peksag <berker.peksag@gmail.com>: ---------- stage: -> needs patch title: autodocument first appearance of ctypes.wintypes constants -> Document ctypes.wintypes constants type: -> enhancement versions: +Python 3.6, Python 3.7 -Python 3.3 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue11253> _______________________________________