v3.1: osc/rdma: fix bug introduced in b90c838#5411

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

hjelmn:v3.1.x_osc_rdma_fixhjelmn/ompi:v3.1.x_osc_rdma_fixCopy head branch name to clipboard