Fix c_long, c_ulong and sysinfo for linux x32
Fix c_long, c_ulong and sysinfo for linux x32

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