v4.0.x: ompi/group: fix proc pointer comparison in groups#8610

hppritcha merged 1 commit intoopen-mpi:v4.0.xopen-mpi/ompi:v4.0.xfrom

AboorvaDevarajan:fix_group_mt_v4.0.xAboorvaDevarajan/ompi:fix_group_mt_v4.0.xCopy head branch name to clipboard