Add header file for utmp(x)
Add header file for utmp(x)

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