Add the missing 'g_mapped_file_new_from_fd' constructor, added
with glib 2.32.
Fixes https://gitlab.gnome.org/GNOME/vala/issues/824
[CCode (ref_function = "g_mapped_file_ref", unref_function = "g_mapped_file_unref")]
public class MappedFile {
public MappedFile (string filename, bool writable) throws FileError;
+ [Version (since = "2.32")]
+ public MappedFile.from_fd (int fd, bool writable) throws FileError;
public size_t get_length ();
public unowned char* get_contents ();
[Version (since = "2.34")]