Update to upstream rust-encoding, that renamed EncodingObj to EncodingRef
Update to upstream rust-encoding, that renamed EncodingObj to EncodingRef

tempbottle/rust-cssparser,servo/rust-cssparser,servo/rust-cssparser,frewsxcv/rust-cssparser,notriddle/rust-cssparser,tempbottle/rust-cssparser,frewsxcv/rust-cssparser,notriddle/rust-cssparser,disjukr/rust-cssparser,disjukr/rust-cssparser