dotgen cloneNode: fix memory leak

diff --git a/lib/dotgen/dotsplines.c b/lib/dotgen/dotsplines.c
index c285800d9f124697ce72a020dd21c6bfce7e736c..2cac2a95cc1c0a452ffca6ec13541961201ba245 100644 (file)
--- a/lib/dotgen/dotsplines.c
+++ b/lib/dotgen/dotsplines.c
@@ -987,6 +987,7 @@ static node_t *cloneNode(graph_t *g, node_t *orign) {
         char* buf = N_GNEW(lbllen+3,char);
         sprintf (buf, "{%s}", ND_label(orign)->text);
        agset (n, "label", buf);
+        free(buf);
     }
 
     return n;