fix DEBUG code in graph.c for e->key

diff --git a/lib/graph/graph.c b/lib/graph/graph.c
index 2e3bd5869e29b88aa99ffa9cb21a0a7517320679..6b6b99327043b5d234f135e92faf12b1c2400fc2 100644 (file)
--- a/lib/graph/graph.c
+++ b/lib/graph/graph.c
@@ -82,10 +82,11 @@ Agedge_t *e0, *e1;
     printf("compare (%s,%s:%s),(%s,%s:%s) = %d\n",
           e0->head ? e0->head->name : "nil",
           e0->tail ? e0->tail->name : "nil",
-          e0->key ? e0->key : "nil",
+          e0->attr && e0->attr[KEYX]? e0->attr[KEYX] : "nil",
           e1->head ? e1->head->name : "nil",
           e1->tail ? e1->tail->name : "nil",
-          e1->key ? e1->key : "nil", rv);
+          e1->attr && e1->attr[KEYX]? e1->attr[KEYX] : "nil",
+          rv);
     return rv;
 }
 #endif