upstream commit

some more bzero->explicit_bzero, from Michael McConville

Upstream-ID: 17f19545685c33327db2efdc357c1c9225ff00d0
diff --git a/sshbuf.c b/sshbuf.c
index dbe0c91..fd281ed 100644
--- a/sshbuf.c
+++ b/sshbuf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sshbuf.c,v 1.3 2015/01/20 23:14:00 deraadt Exp $	*/
+/*	$OpenBSD: sshbuf.c,v 1.4 2015/10/05 17:11:21 djm Exp $	*/
 /*
  * Copyright (c) 2011 Damien Miller
  *
@@ -177,7 +177,7 @@
 		return;
 	dont_free = buf->dont_free;
 	if (!buf->readonly) {
-		bzero(buf->d, buf->alloc);
+		explicit_bzero(buf->d, buf->alloc);
 		free(buf->d);
 	}
 	bzero(buf, sizeof(*buf));