upstream commit

Plug mem leak on GLOB_NOMATCH case.  From jjelen at
redhat.com via bz#2687, ok djm@

Upstream-ID: 8016a7ae97719d3aa55fb723fc2ad3200058340d
diff --git a/readconf.c b/readconf.c
index e51481b..c62c2ea 100644
--- a/readconf.c
+++ b/readconf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: readconf.c,v 1.268 2017/02/03 23:01:19 djm Exp $ */
+/* $OpenBSD: readconf.c,v 1.269 2017/03/10 03:24:48 dtucker Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1500,6 +1500,7 @@
 			if (r == GLOB_NOMATCH) {
 				debug("%.200s line %d: include %s matched no "
 				    "files",filename, linenum, arg2);
+				free(arg2);
 				continue;
 			} else if (r != 0 || gl.gl_pathc < 0)
 				fatal("%.200s line %d: glob failed for %s.",