Emmanuele Bassi d0734bc474 input-device: Do not pick() on NULL stages
If the stage associated to the InputDevice is not set we should
short-circuit out and return NULL. This will result in a pick()
done on the event's stage - if applicable.

http://bugzilla.moblin.org/show_bug.cgi?id=9602
2010-02-10 17:13:33 +00:00
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