Auto merge of #408 - kali:master, r=alexcrichton
Auto merge of #408 - kali:master, r=alexcrichton

add MSG_NOSIGNAL (linux, android)

see rust-lang/rust#36426

zethra/libc,rust-lang/libc,zethra/libc,anatol/libc,philippkeller/libc,rust-lang/libc,superriva/libc,mneumann/libc,cactorium/libc,rust-lang/libc,mneumann/libc,cactorium/libc,philippkeller/libc,zethra/libc,mneumann/libc,cactorium/libc,superriva/libc,philippkeller/libc,anatol/libc,superriva/libc,rust-lang-nursery/libc,rust-lang-nursery/libc,anatol/libc,rust-lang-nursery/libc