check for possibility of heap2heap copy was incorrect
in case when shared heaps have different virtual
addresses on same host.
It seems that ibv_exp_reg_mr() on CIB cards may return
different VAs for heap on same node. On CX3 addresses are
the same.
reviewed by miked
cmr=v1.8.2:reviewer=ompi-rm1.8
This commit was SVN r31969.
3b5fa97790