Auto merge of #542 - Susurrus:master, r=alexcrichton

Add OXTABS and ONOEOT for BSD systems

According to all references I could find these are BSD extensions to POSIX and are also supported on OS X.

src/unix/bsd/mod.rs

@@ -242,6 +242,8 @@ pub const IXANY: ::tcflag_t = 0x00000800;
 pub const IMAXBEL: ::tcflag_t = 0x00002000;
 pub const OPOST: ::tcflag_t = 0x1;
 pub const ONLCR: ::tcflag_t = 0x2;
+pub const OXTABS: ::tcflag_t = 0x4;
+pub const ONOEOT: ::tcflag_t = 0x8;
 pub const CSIZE: ::tcflag_t = 0x00000300;
 pub const CS5: ::tcflag_t = 0x00000000;
 pub const CS6: ::tcflag_t = 0x00000100;