COMP: Resolved a couple of compiler warnings

src/overset/cellCellStencil/trackingInverseDistance/trackingInverseDistanceCellCellStencil.C

@@ -575,7 +575,7 @@ bool Foam::cellCellStencils::trackingInverseDistance::update()
     DebugInfo<< FUNCTION_NAME << " : Moved zone sub-meshes" << endl;
 
     // Calculate fast search structure for each zone
-    List<labelVector> searchBoxDivisions(dict_["searchBoxDivisions"]);
+    List<labelVector> searchBoxDivisions(dict_.lookup("searchBoxDivisions"));
     if (searchBoxDivisions.size() != nZones)
     {
         FatalIOErrorInFunction(dict_) << "Number of searchBoxDivisions "

src/overset/oversetPolyPatch/oversetFvPatchField.C

@@ -173,7 +173,7 @@ void Foam::oversetFvPatchField<Type>::initEvaluate
         {
             const dictionary* dictPtr
             (
-                fvSchemes.subDictPtr("oversetInterpolationSuppressed")
+                fvSchemes.findDict("oversetInterpolationSuppressed")
             );
 
             const wordHashSet& suppress =