bpo-8677: use PY_SSIZE_T_CLEAN in sqlite (GH-12434)
Modules/_sqlite/cursor.c uses "y#" format.
It didn't declare PY_SSIZE_T_CLEAN, but the argument is Py_ssize_t already.
diff --git a/Modules/_sqlite/connection.h b/Modules/_sqlite/connection.h
index 5fb410a..4e9d94c 100644
--- a/Modules/_sqlite/connection.h
+++ b/Modules/_sqlite/connection.h
@@ -23,6 +23,7 @@
#ifndef PYSQLITE_CONNECTION_H
#define PYSQLITE_CONNECTION_H
+#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include "pythread.h"
#include "structmember.h"