[Bug preprocessor/88424] Inserts newlines when preserving comments for a file using Windows newlines

[reiter.christoph at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88424

--- Comment #2 from Christoph Reiter <reiter.christoph at gmail dot com> ---
For context, we use gcc in gobject-introspection where we parse metadata from
the C comments and this breaks things when users on Windows have git set up to
auto convert line endings:
https://gitlab.gnome.org/GNOME/gobject-introspection/issues/243