This commit fixes two leaks:
- We never destructed the attributes on MPI_COMM_WORLD. All other
communicators that have attributes are released through
ompi_comm_free which does the attribute destruction. For
MPI_COMM_WORLD this is now done before the destructor is called.
- Add missing OBJ_RELEASE for ompi_comm_f_to_c_table.
cmr=v1.8.2:reviewer=jsquyres
This commit was SVN r31766.