CCBC-153 Nullify the address info to avoid doublefree
CCBC-153 Nullify the address info to avoid doublefree

Change-Id: I15e37d8eecf0bb52fafabea93668da0664e48b4d
Reviewed-on: http://review.couchbase.org/23663
Reviewed-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@couchbase.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

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