diff --git a/src/ogdf/cluster/HananiTutteCPlanarity.cpp b/src/ogdf/cluster/HananiTutteCPlanarity.cpp index 2cec55b..ac2672e 100644 --- a/src/ogdf/cluster/HananiTutteCPlanarity.cpp +++ b/src/ogdf/cluster/HananiTutteCPlanarity.cpp @@ -37,6 +37,7 @@ #include #include #include +#include #include #include