Merge branch 'fix_overflow' into 'master'
authorStephen C. North <scnorth@gmail.com>
Tue, 22 Jan 2019 18:19:32 +0000 (18:19 +0000)
committerStephen C. North <scnorth@gmail.com>
Tue, 22 Jan 2019 18:19:32 +0000 (18:19 +0000)
Fix buffer overflow due to wrong calculation of pointer buffer.

See merge request graphviz/graphviz!1304


Trivial merge