$OpenBSD: patch-osdep_timer_c,v 1.1 2018/06/25 16:43:01 sthen Exp $

OpenBSD doesn't define _POSIX_TIMERS because we are missing some of the
required clocks, but we do have enough for mpv.

Index: osdep/timer.c
--- osdep/timer.c.orig
+++ osdep/timer.c
@@ -19,6 +19,8 @@
 #include <pthread.h>
 #include <time.h>
 #include <unistd.h>
+#undef _POSIX_TIMERS
+#define _POSIX_TIMERS 1
 #include <sys/time.h>
 #include <limits.h>
 #include <assert.h>
