Auto merge of #550 - joshtriplett:term-winsize-c, r=kbknapp
Auto merge of #550 - joshtriplett:term-winsize-c, r=kbknapp

fix: Declare term::Winsize as repr(C)

The term module uses the struct Winsize directly in a C ioctl call, so it must use C struct representation.

clap-rs/clap,clap-rs/clap,kbknapp/clap-rs,clap-rs/clap,kbknapp/clap-rs