Fixed Issue 46
Fixed Issue 46

git-svn-id: b41562e187a119b60cc7602dc239911d90d88331@22 06aa9b79-7134-0410-ae7e-c1cd3e483e87

satishgoda/pydotplus,krzysbaranski/pydot,pydot/pydot-ng,moreati/pydot-ng,lgerardSRI/pydot,sunxingxingtf/pydot,nlhepler/pydot,carlos-jenkins/pydotplus