Haiku: Add utmpx constants

Author: GrayJack

src/unix/haiku/mod.rs

@@ -1318,6 +1318,16 @@ pub const PRIO_PROCESS: ::c_int = 0;
 pub const PRIO_PGRP: ::c_int = 1;
 pub const PRIO_USER: ::c_int = 2;
 
+// utmpx entry types
+pub const EMPTY: ::c_short = 0;
+pub const BOOT_TIME: ::c_short = 1;
+pub const OLD_TIME: ::c_short = 2;
+pub const NEW_TIME: ::c_short = 3;
+pub const USER_PROCESS: ::c_short = 4;
+pub const INIT_PROCESS: ::c_short = 5;
+pub const LOGIN_PROCESS: ::c_short = 6;
+pub const DEAD_PROCESS: ::c_short = 7;
+
 pub const LOG_PID: ::c_int = 1 << 12;
 pub const LOG_CONS: ::c_int = 2 << 12;
 pub const LOG_ODELAY: ::c_int = 4 << 12;