message: meshable_arena: fix GB division
diff: @@ -108,7 +108,7 @@ void MeshableArena::expandArena(Length minPagesAdded) {
  if (unlikely(_end >= kArenaSize / kPageSize)) {
  debug("Mesh: arena exhausted: current arena size is %.1f GB; recompile with larger arena size.",
  - kArenaSize / 1024.0 / 1024.0);
  + kArenaSize / 1024.0 / 1024.0 / 1024.0);
  abort();
  }
  