$OpenBSD: patch-evutil_rand_c,v 1.3 2015/01/06 21:28:05 sthen Exp $
OpenBSD does not need nor provide arc4random_addrandom anymore.
And evutil_secure_rng_add_bytes is a bad API anyway.
--- evutil_rand.c.orig	Mon Jan  5 15:17:40 2015
+++ evutil_rand.c	Mon Jan  5 23:01:59 2015
@@ -171,10 +171,3 @@ evutil_secure_rng_get_bytes(void *buf, size_t n)
 	ev_arc4random_buf(buf, n);
 }
 
-void
-evutil_secure_rng_add_bytes(const char *buf, size_t n)
-{
-	arc4random_addrandom((unsigned char*)buf,
-	    n>(size_t)INT_MAX ? INT_MAX : (int)n);
-}
-
