Issue #3080: Add PyImport_ImportFrozenModuleObject()

find_frozen(), get_frozen_object(), is_frozen_package() and other functions
related to frozen modules use Unicode strings instead of byte strings.
diff --git a/Include/import.h b/Include/import.h
index f2d79b8..2d45238 100644
--- a/Include/import.h
+++ b/Include/import.h
@@ -58,6 +58,9 @@
 PyAPI_FUNC(PyObject *) PyImport_Import(PyObject *name);
 PyAPI_FUNC(PyObject *) PyImport_ReloadModule(PyObject *m);
 PyAPI_FUNC(void) PyImport_Cleanup(void);
+PyAPI_FUNC(int) PyImport_ImportFrozenModuleObject(
+    PyObject *name
+    );
 PyAPI_FUNC(int) PyImport_ImportFrozenModule(
     char *name                  /* UTF-8 encoded string */
     );