COMP: Fix AMR resampler filter warnings

Change-Id: I030be8c9b5b1d797001d1e16980b51c6d7a74f81

AMR/vtkAMRResampleFilter.cxx

@@ -132,7 +132,7 @@ int vtkAMRResampleFilter::RequestUpdateExtent(
     // Tell reader which blocks this process requires
     info->Set(
         vtkCompositeDataPipeline::UPDATE_COMPOSITE_INDICES(),
-        &this->BlocksToLoad[0], this->BlocksToLoad.size() );
+        &this->BlocksToLoad[0], static_cast<int>(this->BlocksToLoad.size()));
     }
   return 1;
 }
@@ -858,11 +858,10 @@ void vtkAMRResampleFilter::TransferSolution(
 //-----------------------------------------------------------------------------
 void vtkAMRResampleFilter::ExtractRegion(
     vtkOverlappingAMR *amrds, vtkMultiBlockDataSet *mbds,
-    vtkOverlappingAMR *metadata )
+    vtkOverlappingAMR * vtkNotUsed(metadata) )
 {
 
   assert( "pre: input AMR data-structure is NULL" && (amrds != NULL) );
-  assert( "pre: metatadata is NULL" && (metadata != NULL) );
   assert( "pre: resampled grid should not be NULL" && (mbds != NULL) );
 
 //  std::cout << "NumBlocks: " << this->ROI->GetNumberOfBlocks() << std::endl;