archive: ensure files are written in binary mode

On POSIX-compliant operating systems (e.g. Linux, macOS), there is
no difference between binary mode and text mode, but Windows
transforms line feeds ("\n") to "\r\n" sequences during write
operations, resulting in corrupted images.

libvips/foreign/archive.c

@@ -301,7 +301,7 @@ vips__archive_mkfile_file(VipsArchive *archive,
 
 	path = g_build_filename(archive->base_dirname, filename, NULL);
 
-	if (!(f = vips__file_open_write(path, TRUE))) {
+	if (!(f = vips__file_open_write(path, FALSE))) {
 		g_free(path);
 		return -1;
 	}