private: Add helper to convert filenames to UTF-8
Archives in general and zip files in particular contain filenames in legacy encodings. If a pathname is not in UTF-8 encoding already, try to convert it using commonly used encoding in various archive types. See also https://git.gnome.org//browse/file-roller/tree/src/fr-process.c#n245 https://bugzilla.gnome.org/show_bug.cgi?id=785077
parent
bb867a43