Issue #23685: Fix usage of PyMODINIT_FUNC in _json, _scproxy, nis, pyexpat

_codecs_cn, _codecs_hk, _codecs_iso2022, _codecs_jp, _codecs_kr and _codecs_tw
modules.

pyexpat.c doesn't need to redeclare PyMODINIT_FUNC, it's already declared in
Include/pyport.h.

1 files changed, 1 insertions, 1 deletions

diff --git a/Modules/_json.c b/Modules/_json.c
index 076859f..3a60243 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -1995,7 +1995,7 @@ static struct PyModuleDef jsonmodule = {
         NULL
 };
 
-PyObject*
+PyMODINIT_FUNC
 PyInit__json(void)
 {
     PyObject *m = PyModule_Create(&jsonmodule);