Auto merge of #780 - bgermann:master, r=alexcrichton
Auto merge of #780 - bgermann:master, r=alexcrichton

Add utimensat for Solaris

rust-lang/libc,rust-lang/libc,cactorium/libc,cactorium/libc,rust-lang-nursery/libc,rust-lang-nursery/libc,cactorium/libc,rust-lang/libc,rust-lang-nursery/libc