Refactor not-my-vbucket handling into own function
Refactor not-my-vbucket handling into own function

This patch is intended to be cosmetic only, and should not change any
behavior

Change-Id: I647fc90056ef8ebe648aeaa37ad73e94a2fb651b
Reviewed-on: http://review.couchbase.org/29921
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

avsej/libcouchbase,mnunberg/libcouchbase,PureSwift/libcouchbase,mnunberg/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,trondn/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,trondn/libcouchbase,uvenum/libcouchbase,signmotion/libcouchbase,maxim-ky/libcouchbase,senthilkumaranb/libcouchbase,mody/libcouchbase,signmotion/libcouchbase,mody/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,avsej/libcouchbase,senthilkumaranb/libcouchbase,trondn/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,senthilkumaranb/libcouchbase,maxim-ky/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,uvenum/libcouchbase,senthilkumaranb/libcouchbase,mody/libcouchbase,signmotion/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,signmotion/libcouchbase,maxim-ky/libcouchbase,trondn/libcouchbase,trondn/libcouchbase,mnunberg/libcouchbase,mnunberg/libcouchbase,uvenum/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,PureSwift/libcouchbase,mody/libcouchbase,maxim-ky/libcouchbase,uvenum/libcouchbase,avsej/libcouchbase,mnunberg/libcouchbase,uvenum/libcouchbase,PureSwift/libcouchbase