smyrna loadGraph: fix unchecked allocation failure

diff --git a/cmd/smyrna/viewport.c b/cmd/smyrna/viewport.c
index 6bd078e0230ae5ff0690ebd22f065c646c679f1c..4263431ae624a6823ecb0098c98c16343dbe0b71 100644 (file)
--- a/cmd/smyrna/viewport.c
+++ b/cmd/smyrna/viewport.c
@@ -436,7 +436,7 @@ static Agraph_t *loadGraph(char *filename)
        agclose (g);
        return 0;
     }
-    view->Topview->Graphdata.GraphFileName = strdup(filename);
+    view->Topview->Graphdata.GraphFileName = gv_strdup(filename);
     return g;
 }