fix here: https://code.launchpad.net/~dhuggins/ubuntu/+source/graphviz/+git/graphviz/+ref/dhd/fix_2015017_2015023
fix here: https:/ /code.launchpad .net/~dhuggins/ ubuntu/ +source/ graphviz/ +git/graphviz/ +ref/dhd/ fix_2015017_ 2015023