Issue #13560: Add PyUnicode_EncodeLocale()

 * Use PyUnicode_EncodeLocale() in time.strftime() if wcsftime() is not
   available
 * Document my last changes in Misc/NEWS
diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index a46c4f1..ad1c54e 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -486,7 +486,7 @@
     fmt = format;
 #else
     /* Convert the unicode string to an ascii one */
-    format = PyUnicode_EncodeFSDefault(format_arg);
+    format = PyUnicode_EncodeLocale(format_arg, 1);
     if (format == NULL)
         return NULL;
     fmt = PyBytes_AS_STRING(format);