Update JHDF5 to SNAPSHOT-r28067.

SVN: 28091

openbis-common/source/java/ch/systemsx/cisd/openbis/common/io/hierarchical_content/HDF5ContainerBasedHierarchicalContentNode.java

@@ -351,9 +351,7 @@ public class HDF5ContainerBasedHierarchicalContentNode extends
         @Override
         public boolean isChecksumCRC32Precalculated()
         {
-            // TODO 2012-07-19, Bernd Rinn: Use entry.hasChecksum() to reliably detect whether
-            // this entry has a CRC32 checksum once JHDF5 is updated.
-            return checksum != null || entry.getCrc32() != 0;
+            return entry.hasChecksum();
         }
 
         @Override