Remove the Py_TPFLAGS_HAVE_GC from the _ctypes.COMError type.
Fixes issue #4433; reviewed by Benjamin Peterson.
diff --git a/Misc/NEWS b/Misc/NEWS
index 6145654..0ff809c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -24,6 +24,9 @@
 Library
 -------
 
+- Issue #4433: Fixed an access violation when garbage collecting
+  _ctypes.COMError instances.
+
 - Issue #4429: Fixed UnicodeDecodeError in ctypes.
 
 - Issue #4373: Corrected a potential reference leak in the pickle module and