Start fixes: parameter check and return code [v4.1.x]#10552

jsquyres merged 1 commit intoopen-mpi:v4.1.xopen-mpi/ompi:v4.1.xfrom

devreal:mpi-start-part-inactive-v4.1.xdevreal/ompi:mpi-start-part-inactive-v4.1.xCopy head branch name to clipboard