Rename PyUnicode_strdup() to PyUnicode_AsUnicodeCopy()
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 80e2e63..9cdf90d 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -10015,7 +10015,7 @@
 }
 
 Py_UNICODE*
-PyUnicode_strdup(PyObject *object)
+PyUnicode_AsUnicodeCopy(PyObject *object)
 {
     PyUnicodeObject *unicode = (PyUnicodeObject *)object;
     Py_UNICODE *copy;