pmix: fix alignment issue
ob1: add a destructor to mca_pml_ob1_recv_request_t

opal_mutex_t must be OBJ_DESTRUCTed in order to avoid
a memory leak (pthread_mutex_init allocates memory under
Cygwin, so pthread_mutex_destroy is mandatory)

Thanks to Marco Atzeri for reporting this issue
oob/tcp: always include a missing header file

improve open-mpi/ompi@c9d1e16a9e8f4e55bbba0e1a5b7bee84594d05c1
configury: remove deprecated --with-openib* configure options

These were deprecated in the v1.7/v1.8 series; they are being removed
for the v1.9 series.
Always OBJ_DESTRUCT the send request.
pmix: fix a return status in native_get_attr