v3.1.x: openmpi.spec: make sure grep failure doesn't abort#6664

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

jsquyres:pr/v3.1.x/fix-minor-openmpi-specfile-issuejsquyres/ompi:pr/v3.1.x/fix-minor-openmpi-specfile-issueCopy head branch name to clipboard