- (void)g_mime_stream_filter_add ((GMimeStreamFilter *)gzstream, gzfilter);
- g_object_unref(gzfilter);
- g_object_unref(file_stream);
+ (void) g_mime_stream_filter_add ((GMimeStreamFilter *) gzstream, gzfilter);
+ g_object_unref (gzfilter);
+ g_object_unref (file_stream);