make gv.layout in script interface do the gvFreeLayout()

diff --git a/tclpkg/gv/gv.cpp b/tclpkg/gv/gv.cpp
index 2eac1a7cacddfcca8d398f0df46d0928b4749f18..742866d96466412485c278e40d167d7157999bfb 100644 (file)
--- a/tclpkg/gv/gv.cpp
+++ b/tclpkg/gv/gv.cpp
@@ -827,6 +827,7 @@ void layout(Agraph_t *g, char *engine)
 {
     int err;
 
+    err = gvFreeLayout(gvc, g);
     err = gvLayout(gvc, g, engine);
 }