add -ldl to silo ldflags when building with static hdf5 in order to fix #7384 (#7385)
add -ldl to silo ldflags when building with static hdf5 in order to fix #7384 (#7385)


LLNL/spack,LLNL/spack,krafczyk/spack,matthiasdiener/spack,mfherbst/spack,iulian787/spack,iulian787/spack,LLNL/spack,matthiasdiener/spack,krafczyk/spack,krafczyk/spack,mfherbst/spack,tmerrick1/spack,tmerrick1/spack,mfherbst/spack,mfherbst/spack,tmerrick1/spack,matthiasdiener/spack,iulian787/spack,LLNL/spack,krafczyk/spack,EmreAtes/spack,EmreAtes/spack,EmreAtes/spack,iulian787/spack,tmerrick1/spack,EmreAtes/spack,EmreAtes/spack,krafczyk/spack,matthiasdiener/spack,mfherbst/spack,tmerrick1/spack,matthiasdiener/spack,iulian787/spack,LLNL/spack