Merge pull request #8882 from jsquyres/pr/fix-warnings

3rd-party/treematch/fibo.h

3rd-party/treematch/tm_topology.c

3rd-party/treematch/tm_tree.c

ompi/include/mpi.h.in

ompi/mca/coll/ftagree/coll_ftagree_earlyreturning.c

ompi/mca/coll/han/coll_han_module.c

ompi/mca/part/persist/part_persist.h

ompi/mca/vprotocol/pessimist/vprotocol_pessimist_wait.c

ompi/mpi/c/precv_init.c

opal/mca/base/mca_base_var.c

opal/mca/btl/base/btl_base_am_rdma.c

opal/tools/wrappers/opal_wrapper.c