bpo-38823: Fix compiler warning in _ctypes on Windows (GH-23258)

Explicitly cast PyExc_Exception to PyTypeObject* to fix the warning:

    modules\_ctypes\_ctypes.c(5748): warning C4133: '=':
    incompatible types - from 'PyObject *' to '_typeobject *'

diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index 8bb34877c539039159ed759e571e10c68054a50e..5f8a723f6373ae2ef618cfd3d1e0c5d1bdbcdca9 100644 (file)
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -5745,7 +5745,7 @@ _ctypes_add_types(PyObject *mod)
     TYPE_READY(&StructParam_Type);
 
 #ifdef MS_WIN32
-    TYPE_READY_BASE(&PyComError_Type, PyExc_Exception);
+    TYPE_READY_BASE(&PyComError_Type, (PyTypeObject*)PyExc_Exception);
 #endif
 
 #undef TYPE_READY