Fix buffer relocation during rebalance
Fix buffer relocation during rebalance

Change-Id: I8b9b016e2ed3b9552371289f88dd20accdfea82f
Reviewed-on: http://review.couchbase.org/12080
Tested-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

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