upstream: Fix comment typo. Patch from mforney at mforney.org.

OpenBSD-Commit-ID: 3565f056003707a5e678e60e03f7a3efd0464a2b
diff --git a/sshbuf.h b/sshbuf.h
index 78e3226..94392c8 100644
--- a/sshbuf.h
+++ b/sshbuf.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sshbuf.h,v 1.20 2020/03/13 03:17:07 djm Exp $	*/
+/*	$OpenBSD: sshbuf.h,v 1.21 2020/04/26 09:38:14 dtucker Exp $	*/
 /*
  * Copyright (c) 2011 Damien Miller
  *
@@ -140,7 +140,7 @@
 /*
  * Reserve len bytes in buf.
  * Returns 0 on success and a pointer to the first reserved byte via the
- * optional dpp parameter or a negative * SSH_ERR_* error code on failure.
+ * optional dpp parameter or a negative SSH_ERR_* error code on failure.
  */
 int	sshbuf_reserve(struct sshbuf *buf, size_t len, u_char **dpp);