common/ompio: fix division by zero problem with empty fview#6706

bwbarrett merged 1 commit intoopen-mpi:v3.0.xopen-mpi/ompi:v3.0.xfrom

edgargabriel:pr/v3.0.x-empty-fileview-fixedgargabriel/ompi:pr/v3.0.x-empty-fileview-fixCopy head branch name to clipboard