Silence some warnings

[rhc54]

Signed-off-by: Ralph Castain [email protected]

[rhc54]

Somehow, I don't believe the changes in this PR could possibly have triggered this errror:

12:12:45  2 0x000000000006858c mxm_handle_error()  /hpc/local/benchmarks/hpcx_install_2018-01-05/src/hpcx-gcc-redhat7.4/mxm-master/src/mxm/util/debug/debug.c:641
12:12:45  3 0x0000000000068adc mxm_error_signal_handler()  /hpc/local/benchmarks/hpcx_install_2018-01-05/src/hpcx-gcc-redhat7.4/mxm-master/src/mxm/util/debug/debug.c:616
12:12:45  4 0x0000000000035670 killpg()  ??:0
12:12:45  5 0x000000000000471b opal_lifo_push_st()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/mca/btl/vader/../../../../opal/class/opal_lifo.h:285
12:12:45  6 0x00000000000047ef opal_free_list_return_st()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/mca/btl/vader/../../../../opal/class/opal_free_list.h:339
12:12:45  7 0x000000000000486b opal_free_list_return()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/mca/btl/vader/../../../../opal/class/opal_free_list.h:357
12:12:45  8 0x00000000000049bf mca_btl_vader_frag_return()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/mca/btl/vader/btl_vader_frag.h:97
12:12:45  9 0x0000000000004a32 mca_btl_vader_frag_complete()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/mca/btl/vader/btl_vader_frag.h:121
12:12:45 10 0x000000000000739f mca_btl_vader_poll_handle_frag()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/mca/btl/vader/btl_vader_component.c:584
12:12:45 11 0x00000000000075e0 mca_btl_vader_poll_fifo()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/mca/btl/vader/btl_vader_component.c:631
12:12:45 12 0x000000000000788a mca_btl_vader_component_progress()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/mca/btl/vader/btl_vader_component.c:716
12:12:45 13 0x000000000003977f opal_progress()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/opal/runtime/opal_progress.c:222
12:12:45 14 0x000000000000c51c ompi_request_wait_completion()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/ompi/mca/pml/ob1/../../../../ompi/request/request.h:415
12:12:45 15 0x000000000000db58 mca_pml_ob1_recv()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/ompi/mca/pml/ob1/pml_ob1_irecv.c:135
12:12:45 16 0x00000000000c3979 PMPI_Recv()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/ompi/mpi/c/profile/precv.c:79
12:12:45 17 0x0000000000400a56 main()  /var/lib/jenkins/jobs/gh-ompi-master-pr/workspace-2/ompi_install1/examples/ring_c.c:52
12:12:45 18 0x0000000000021b15 __libc_start_main()  ??:0
12:12:45 19 0x0000000000400889 _start()  ??:0
12:12:45 ===================
12:12:45 

@hjelmn Can you please take a look? It appears all PR's are failing with this signature.