Added a forgotten VPackBuilder.close() in Traversalnode to VPack. This caused the query planner to fail at certain cases
Added a forgotten VPackBuilder.close() in Traversalnode to VPack. This caused the query planner to fail at certain cases

baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB