memfile_simple-hdf5 tests fails on s390x

From https://koji.fedoraproject.org/koji/taskinfo?taskID=139228678:
```
 48/167 Test  #40: memfile_simple-hdf5 ................Subprocess aborted***Exception:   0.08 sec
db_hdf5_process_file_options: Low-level function call failed: Problem setting HDF5 VFD options
SILO Aborting...
```

This is only on s390x, also the archs pass. It is also the only test that fails.