use total number of cells/points in parallel

src/meshTools/cellDist/patchWave/patchWave.C

@@ -28,7 +28,7 @@ License
 #include "polyMesh.H"
 #include "wallPoint.H"
 #include "MeshWave.H"
-
+#include "globalMeshData.H"
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
@@ -187,7 +187,7 @@ void Foam::patchWave::correct()
         mesh(),
         changedFaces,
         faceDist,
-        mesh().nCells() // max iterations
+        mesh().globalData().nTotalCells()   // max iterations
     );