Recommended update for graphviz
This update for graphviz fixes the following issues:
- graphviz did not support certain overlap operations due to not being built with gts support (boo#1108978, boo#1108976)
- Submitted by Thomas Renninger (trenn)
Fixed bugs
bnc#1108978
graphviz/sfdp: Error: remove_overlap: Graphviz not built with triangulation library
bnc#1108976
graphviz/fdp: Warning: Overlap value "prism" unsupported - ignored