From: Emden R. Gansner <erg@alum.mit.edu>
Date: Wed, 4 Dec 2013 22:42:34 +0000 (-0500)
Subject: Fix github issues/3
X-Git-Tag: 2.38.0~142
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2cdcda92594d12a2fc66dd1fda2d90baa4bd74a1;p=graphviz

Fix github issues/3
---

diff --git a/cmd/tools/gvpack.c b/cmd/tools/gvpack.c
index 75127bd2e..8864d764e 100644
--- a/cmd/tools/gvpack.c
+++ b/cmd/tools/gvpack.c
@@ -601,7 +601,7 @@ cloneSubg(Agraph_t * g, Agraph_t * ng, Agsym_t * G_bb, Dt_t * gnames)
 	agxset(ng, G_bb, "");	/* Unset all subgraph bb */
 
     /* clone subgraphs */
-    for (subg = agfstsubg (g); subg; subg = agfstsubg (subg)) {
+    for (subg = agfstsubg (g); subg; subg = agnxtsubg (subg)) {
 	nsubg = agsubg(ng, xName(gnames, agnameof(subg)), 1);
 	agbindrec (nsubg, "Agraphinfo_t", sizeof(Agraphinfo_t), TRUE);
 	cloneSubg(subg, nsubg, G_bb, gnames);