Atomic pragma ignored

[dimalvovs]

Can this potentially be causing issues?

src/CoGAPS/src/atomic/ProposalQueue.cpp:101: warning: ignoring #pragma omp atomic [-Wunknown-pragmas]
  101 |     #pragma omp atomic
      | 
src/CoGAPS/src/atomic/ProposalQueue.cpp:107: warning: ignoring #pragma omp atomic [-Wunknown-pragmas]
  107 |     #pragma omp atomic
      | 
src/CoGAPS/src/atomic/ProposalQueue.cpp:[113](https://github.com/FertigLab/pycogaps/actions/runs/7143049149/job/19453682687#step:6:114): warning: ignoring #pragma omp atomic [-Wunknown-pragmas]
  113 |     #pragma omp atomic
      | 
src/CoGAPS/src/atomic/ProposalQueue.cpp:[119](https://github.com/FertigLab/pycogaps/actions/runs/7143049149/job/19453682687#step:6:120): warning: ignoring #pragma omp atomic [-Wunknown-pragmas]
  119 |     #pragma omp atomic
      |