MGridGenGAMGAgglomeration: Update call to continueAgglomerating

Resolves bug-report http://bugs.openfoam.org/view.php?id=2244

src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C

@@ -286,7 +286,7 @@ Foam::MGridGenGAMGAgglomeration::MGridGenGAMGAgglomeration
             );
         }
 
-        if (continueAgglomerating(nCoarseCells))
+        if (continueAgglomerating(finalAgglomPtr().size(), nCoarseCells))
         {
             nCells_[nCreatedLevels] = nCoarseCells;
             restrictAddressing_.set(nCreatedLevels, finalAgglomPtr);