COMP: Remove some warnings.

core/XdmfArray.cpp

@@ -666,7 +666,6 @@ XdmfArray::populateItem(const std::map<std::string, std::string> & itemPropertie
 {
   XdmfItem::populateItem(itemProperties, childItems, reader);
   std::string contentVal;
-  unsigned int sizeVal = 1;
 
   const shared_ptr<const XdmfArrayType> arrayType = 
     XdmfArrayType::New(itemProperties);

core/XdmfHDF5Writer.cpp

@@ -216,7 +216,7 @@ XdmfHDF5Writer::write(XdmfArray & array,
         // Overwriting - dataset rank must remain the same (hdf5 constraint)
         hid_t dataspace = H5Dget_space(dataset);
 
-        const int ndims = H5Sget_simple_extent_ndims(dataspace);
+        const unsigned int ndims = H5Sget_simple_extent_ndims(dataspace);
         if(ndims != current_dims.size())
           XdmfError::message(XdmfError::FATAL, \
                              "Data set rank different -- ndims != "

core/XdmfWriter.cpp

@@ -48,8 +48,8 @@ public:
     mHeavyDataWriter(heavyDataWriter),
     mLastXPathed(false),
     mLightDataLimit(100),
-    mStream(stream),
     mMode(Default),
+    mStream(stream),
     mWriteXPaths(true),
     mXMLCurrentNode(NULL),
     mXMLDocument(NULL),

utils/XdmfTopologyConverter.cpp

@@ -487,7 +487,7 @@ namespace {
           toReturnSet->initialize(set->getArrayType(),
                                   set->getSize());
                                   
-          for(int i=0; i<set->getSize(); ++i) {
+          for(unsigned int i=0; i<set->getSize(); ++i) {
             const unsigned int nodeId = set->getValue<unsigned int>(i);
             std::map<unsigned int, unsigned int>::const_iterator iter =
               oldIdToNewId.find(nodeId);
@@ -928,4 +928,5 @@ XdmfTopologyConverter::convert(const shared_ptr<XdmfUnstructuredGrid> gridToConv
                        "Cannot convert topology type in "
                        "XdmfTopologyConverter::convert");
   }
+
 }