Issue #27781: Change file system encoding on Windows to UTF-8 (PEP 529)
diff --git a/Include/fileobject.h b/Include/fileobject.h
index 03155d3..03984ba 100644
--- a/Include/fileobject.h
+++ b/Include/fileobject.h
@@ -23,6 +23,7 @@
    If non-NULL, this is different than the default encoding for strings
 */
 PyAPI_DATA(const char *) Py_FileSystemDefaultEncoding;
+PyAPI_DATA(const char *) Py_FileSystemDefaultEncodeErrors;
 PyAPI_DATA(int) Py_HasFileSystemDefaultEncoding;
 
 /* Internal API