Update libz-sys and curl-sys
Update libz-sys and curl-sys

rust-lang/rustup,inejge/rustup.rs,inejge/rustup.rs,rust-lang/rustup,inejge/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,rust-lang/rustup,theindigamer/rustup.rs,rust-lang/rustup,theindigamer/rustup.rs,Boddlnagg/rustup.rs,Boddlnagg/rustup.rs,Boddlnagg/rustup.rs,Boddlnagg/rustup.rs,inejge/rustup.rs,theindigamer/rustup.rs,nodakai/rustup.rs,inejge/rustup.rs,theindigamer/rustup.rs,theindigamer/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,rust-lang/rustup,Boddlnagg/rustup.rs