Fix warning for rustc 1.0.0-nightly (ea6f65c5f 2015-01-06 19:47:08 +0000)
Fix warning for rustc 1.0.0-nightly (ea6f65c5f 2015-01-06 19:47:08 +0000)

servo/rust-url,nox/rust-url,pyfisch/rust-url,cGuille/rust-url,nox/rust-url,pyfisch/rust-url,cGuille/rust-url,servo/rust-url