Xi: don't deliver emulated motion events for non-emulating touches

The touchpoint knows whether it should be emulating or not and we have a check
for that later. Check for this before we generate the event and try to deliver
it, lest we trigger a bug warning.

https://bugzilla.redhat.com/show_bug.cgi?id=1282252

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

Xi/exevents.c

@@ -1379,6 +1379,9 @@ DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
     if (!TouchResourceIsOwner(ti, listener->listener))
         return !Success;
 
+    if (!ti->emulate_pointer)
+        return !Success;
+
     nevents = TouchConvertToPointerEvent(ev, &motion, &button);
     BUG_RETURN_VAL(nevents == 0, BadValue);