message: point OMP RAJA body to correct macro name
diff: @@ -115,7 +115,7 @@ void REDUCE_STRUCT::runOpenMPVariant(VariantID vid, size_t RAJAPERF_UNUSED_ARG(t
  RAJA::forall<RAJA::omp_parallel_for_exec>(
  RAJA::RangeSegment(ibegin, iend), [=](Index_type i) {
  - REDUCE_REAL_BODY_RAJA;
  + REDUCE_STRUCT_BODY_RAJA;
  });
  particles.SetCenter(static_cast<Real_type>(xsum.get()/(particles.N)),ysum.get()/(particles.N));
  