From fcec3e80c43722954ee4f63150b5eb1a6343f06e Mon Sep 17 00:00:00 2001
From: Sebastian Hahn <sebastian@torproject.org>
Date: Fri, 1 Jun 2012 05:23:29 +0200
Subject: [PATCH] Correctly check for arc4random_buf

Apparently it's necssary to do an explicit comparison with NULL here.
This also gets rid of a compile warning
---
 evutil_rand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/evutil_rand.c b/evutil_rand.c
index e2bf605f3d..b66d88b47c 100644
--- a/evutil_rand.c
+++ b/evutil_rand.c
@@ -70,7 +70,7 @@ ev_arc4random_buf(void *buf, size_t n)
 	 * and fall back otherwise.  (OSX does this using some linker
 	 * trickery.)
 	 */
-	if (arc4random_buf) {
+	if (arc4random_buf != NULL) {
 		return arc4random_buf(buf, n);
 	}
 #endif