Michael Nitschinger 65ee10fbd0 [codec-memcache] Avoid NPE on channelInactive.
Motivation:
When no currentMessage has been set and the channel is inactive, a NPE is raised.

Modification:
Make sure that a currentMessage is available before checking the extras.

Result:
No more NPE raised potentially.
2014-04-23 11:41:44 +02:00
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