Fixed adc sim formatting

src/platforms/posix/drivers/adcsim/adcsim.cpp

@@ -163,10 +163,12 @@ void
 ADCSIM::_measure()
 {
 	m_lock.lock();
+
 	/* scan the channel set and sample each */
 	for (unsigned i = 0; i < _channel_count; i++) {
 		_samples[i].am_data = _sample(_samples[i].am_channel);
 	}
+
 	m_lock.unlock();
 }