Looks like this was mistakently removed in the conversion to PRRTE.
We still need CFLAGS_WITHOUT_OPTFLAGS for Open MPI's MPI debugger
interface. Not having this functionality means that ompi/debuggers
was being compiled incorrectly, which led to -- among other things --
32 bit builds failing.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
