From bf53bb9a0cef8ff0e65deaa2873f2ce9cac46ba8 Mon Sep 17 00:00:00 2001
From: ellson <devnull@localhost>
Date: Thu, 16 Jul 2009 15:53:10 +0000
Subject: [PATCH] fix unassigned value

---
 tclpkg/gv/gv.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tclpkg/gv/gv.cpp b/tclpkg/gv/gv.cpp
index 242f48e37..d8db0e6dd 100644
--- a/tclpkg/gv/gv.cpp
+++ b/tclpkg/gv/gv.cpp
@@ -706,6 +706,7 @@ Agnode_t *nexttail(Agnode_t *n, Agnode_t *t)
 
     if (!n || !t)
         return NULL;
+    g = agraphof(n);
     e = agfindedge(g, t, n);
     if (!e)
         return NULL;
-- 
2.40.0