StimBuff: DevAttSpec should be a sh_ptr, not a plain ref

commonLibs/attachmentSupport/stimulusBuffer.cpp

@@ -36,7 +36,7 @@ void StimulusBuffer::stop()
 	bridge.waitForAsyncOperationCompleteOrIoServiceStopped();
 
 	std::cout << __func__ << ": Stopped stimulus buffer for device "
-		<< deviceAttachmentSpec.deviceSelector << std::endl;
+		<< deviceAttachmentSpec->deviceSelector << std::endl;
 
 	// After delay, cancel timer and perform cleanup
 	timer.cancel();