Issue #14605: Expose importlib.abc.FileLoader and
importlib.machinery.(FileFinder, SourceFileLoader,
_SourcelessFileLoader, ExtensionFileLoader).

This exposes all of importlib's mechanisms that will become public on
the sys module.
diff --git a/Python/importlib.h b/Python/importlib.h
index 4b1001d..bc4c0d9 100644
--- a/Python/importlib.h
+++ b/Python/importlib.h
Binary files differ