Auto merge of #2681 - rtzoeller:dfly_more_errors, r=Amanieu

Define ENOTRECOVERABLE and EOWNERDEAD on DragonFly

Corresponds to DragonFly commit [c907b81a9d9aa73a2c8f1b41387347bc0eb66ba5](DragonFlyBSD/DragonFlyBSD@c907b81)

Author: bors

libc-test/semver/dragonfly.txt

@@ -229,8 +229,10 @@ ENOATTR
 ENOLINK
 ENOMEDIUM
 ENOTBLK
+ENOTRECOVERABLE
 ENOTSUP
 EOF
+EOWNERDEAD
 EPROCLIM
 EPROCUNAVAIL
 EPROGMISMATCH

src/unix/bsd/freebsdlike/dragonfly/mod.rs

@@ -762,6 +762,8 @@ pub const F_SETLK: ::c_int = 8;
 pub const F_SETLKW: ::c_int = 9;
 pub const F_GETPATH: ::c_int = 19;
 pub const ENOMEDIUM: ::c_int = 93;
+pub const ENOTRECOVERABLE: ::c_int = 94;
+pub const EOWNERDEAD: ::c_int = 95;
 pub const EASYNC: ::c_int = 99;
 pub const ELAST: ::c_int = 99;
 pub const RLIMIT_POSIXLOCKS: ::c_int = 11;