Fix uninitialized variable.

diff --git a/cmd/gvpr/compile.c b/cmd/gvpr/compile.c
index be5fa0145515ece07ea79d7becdf5a6b530484d6..639c9825b77c3924f3ae2c4cfa2798025f8902d4 100644 (file)
--- a/cmd/gvpr/compile.c
+++ b/cmd/gvpr/compile.c
@@ -845,7 +845,7 @@ getval(Expr_t * pgm, Exnode_t * node, Exid_t * sym, Exref_t * ref,
            gp = INT2PTR(Agraph_t *, args[0].integer);
            ep = INT2PTR(Agedge_t *, args[1].integer);
            if (!gp)
-               gp = agroot(np);
+               gp = agroot(ep);
            if (ep) {
                v.integer = PTR2INT(addEdge(gp, ep, 0));
            } else {