OpenBSD doesn't support timeb api

Index: src/c/wrapper.h
--- src/c/wrapper.h.orig
+++ src/c/wrapper.h
@@ -52,7 +52,16 @@
 #define DWORD unsigned long
 #endif
 
+#ifndef OPENBSD
 #include <sys/timeb.h>
+#else
+struct timeb {
+	time_t  time;                   /* seconds since the Epoch */
+	unsigned short millitm;         /* + milliseconds since the Epoch */
+	short   timezone;               /* minutes west of UTC */
+	short   dstflag;                /* DST == non-zero */
+};
+#endif
 
 #include "property.h"
 #include "wrapper_jvminfo.h"