Issue #18514: Fix unreachable Py_DECREF() call in PyCData_FromBaseObj()

diff --cc Misc/NEWS
index 5b83f8a24e74ecb3dcea1056c8670147a12120df,3b45833439e5e1eb1ec022f905369961bdd5bc3c..602a5c7f0e6eb09f830dcdde3f65f7acc917523f
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -159,9 -49,8 +159,11 @@@ Core and Builtin
  Library
  -------
  
+ - Issue #18514: Fix unreachable Py_DECREF() call in PyCData_FromBaseObj()
+ 
 +- Issue #9177: Calling read() or write() now raises ValueError, not
 +  AttributeError, on a closed SSL socket.  Patch by Senko Rasic.
 +
  - Issue #18513: Fix behaviour of cmath.rect w.r.t. signed zeros on OS X 10.8 +
    gcc.
  

diff --cc Modules/_ctypes/_ctypes.c
Simple merge