Fix compilation on Solaris/Illumos
Fix compilation on Solaris/Illumos

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