BUG: Was never calculating the patch-patch points.

src/finiteVolume/interpolation/volPointInterpolation/volPointInterpolation.C

@@ -620,6 +620,7 @@ volPointInterpolation::~volPointInterpolation()
 void volPointInterpolation::updateMesh()
 {
     makeWeights();
+    makePatchPatchAddressing();
 }