[svn-r20182] BZ2048: Add -E --enable-error-stack option to h5dump.

Brought from trunk after one week of tests.

Tested: local linux

tools/testfiles/tpbitsLengthPositive.ddl

@@ -41,6 +41,7 @@ usage: h5dump [OPTIONS] file
      -X S, --xml-ns=S      (XML Schema) Use qualified names n the XML
                           ":": no namespace, default: "hdf5:"
                           E.g., to dump a file called `-f', use h5dump -- -f
+     -E, --enable-error-stack   Show all HDF5 error reporting
 
  Subsetting is available by using the following options with a dataset
  attribute. Subsetting is done by selecting a hyperslab from the data.