message: remove mutable double reference
diff: @@ -635,7 +635,7 @@ impl<'a> LinuxData<'a> {
  let rip = (rip - 1) as u64;
  trace!("Hit address 0x{:x}", rip);
  if process.breakpoints.contains_key(&rip) {
  - let bp = &mut process.breakpoints.get_mut(&rip).unwrap();
  + let bp = process.breakpoints.get_mut(&rip).unwrap();
  let updated = if visited.contains(&rip) {
  let _ = bp.jump_to(current);
  (true, TracerAction::Continue(current.into()))
  