glocalfileoutputstream: Drop unnecessary (void) return value casts
glocalfileoutputstream: Drop unnecessary (void) return value casts

g_close() does not have G_GNUC_WARN_UNUSED_RESULT, so these casts are
unnecessary.

johne53/MB3Glib,endlessm/glib,endlessm/glib,johne53/MB3Glib,johne53/MB3Glib,johne53/MB3Glib,endlessm/glib,endlessm/glib,endlessm/glib,johne53/MB3Glib,johne53/MB3Glib