Constant encoding::all::WINDOWS_1256

pub const WINDOWS_1256: &'static SingleByteEncoding = &codec::singlebyte::SingleByteEncoding{name: "windows-1256",
                                       whatwg_name: Some("windows-1256"),
                                       index_forward:
                                           index::windows_1256::forward,
                                       index_backward:
                                           index::windows_1256::backward,}