Auto merge of #984 - kpcyrd:openbsd-TIOCGWINSZ, r=alexcrichton
Add TIOCGWINSZ to openbsd
Adds a commonly used ioctl to openbsd, related to #957. I've tested this on OpenBSD 6.3.
diff --git a/src/unix/bsd/netbsdlike/mod.rs b/src/unix/bsd/netbsdlike/mod.rs
index e79c70d..8b0b505 100644
--- a/src/unix/bsd/netbsdlike/mod.rs
+++ b/src/unix/bsd/netbsdlike/mod.rs
@@ -559,6 +559,7 @@
pub const TIOCSTART: ::c_ulong = 0x2000746e;
pub const TIOCSTOP: ::c_ulong = 0x2000746f;
pub const TIOCSCTTY: ::c_ulong = 0x20007461;
+pub const TIOCGWINSZ: ::c_ulong = 0x40087468;
pub const TIOCSWINSZ: ::c_ulong = 0x80087467;
pub const TIOCM_LE: ::c_int = 0o0001;
pub const TIOCM_DTR: ::c_int = 0o0002;