Xargo build failing

[dingelish]

Hi everyone,

xargo build is failing now. The root cause is a recent change of libc. I've submitted a PR to solve this.

rust-lang/libc#1431

[dingelish]

Fixed by patching Xaro.goml

+
+[patch.crates-io]
+libc = { git = "https://github.com/mesalock-linux/libc-sgx" }