Auto merge of #312 - kamalmarhubi:android-fix-termios, r=posborne
Auto merge of #312 - kamalmarhubi:android-fix-termios, r=posborne

android: Fix reference to libc::ioctl

This fixes an import that was missed in the upgrade from libc 0.1 series
to 0.2 series.

Refs https://github.com/nix-rust/nix/issues/298

xd009642/nix,geofft/nix-rust,nikklassen/nix-rust,carllerche/nix-rust,carllerche/nix-rust,carllerche/nix-rust,kamalmarhubi/nix-rust,posborne/rust-nix,Susurrus/nix,Susurrus/nix,geofft/nix-rust,berkowski/nix,geofft/nix-rust,kamalmarhubi/nix-rust,nix-rust/nix,xd009642/nix,posborne/rust-nix,asomers/nix,nikklassen/nix-rust,nix-rust/nix,kamalmarhubi/nix-rust,berkowski/nix,berkowski/nix,MarkusJais/nix-rust,asomers/nix,MarkusJais/nix-rust,nikklassen/nix-rust,MarkusJais/nix-rust,xd009642/nix,Susurrus/nix,posborne/rust-nix