bpo-43269: Clean up sqlite3 file scope (GH-24578)

diff --git a/Modules/_sqlite/row.c b/Modules/_sqlite/row.c
index 04e308f..97a5a17 100644
--- a/Modules/_sqlite/row.c
+++ b/Modules/_sqlite/row.c
@@ -31,7 +31,8 @@ class _sqlite3.Row "pysqlite_Row *" "pysqlite_RowType"
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=384227da65f250fd]*/
 
-void pysqlite_row_dealloc(pysqlite_Row* self)
+static void
+pysqlite_row_dealloc(pysqlite_Row *self)
 {
     PyTypeObject *tp = Py_TYPE(self);
 
@@ -105,7 +106,8 @@ equal_ignore_case(PyObject *left, PyObject *right)
     return 1;
 }
 
-PyObject* pysqlite_row_subscript(pysqlite_Row* self, PyObject* idx)
+static PyObject *
+pysqlite_row_subscript(pysqlite_Row *self, PyObject *idx)
 {
     Py_ssize_t _idx;
     Py_ssize_t nitems, i;