Print version number of device 1 on each raw dev.

Only works on HID++ >=2.0 so far. Also solves a race condition where
the wrong response can be sent to a request.

src/logid/CMakeLists.txt

@@ -17,6 +17,10 @@ add_executable(logid
         backend/raw/RawDevice.cpp
         backend/hidpp/Device.cpp
         backend/hidpp/Report.cpp
+        backend/hidpp20/Device.cpp
+        backend/hidpp20/Error.cpp
+        backend/hidpp20/Feature.cpp
+        backend/hidpp20/features/Root.cpp
         backend/dj/Report.cpp
         util/mutex_queue.h)