Remove compiler warning (unused variable)
Remove compiler warning (unused variable)

Change-Id: Ie77072351de31f6e74fa5a7e7d280598562ca0f1
Reviewed-on: http://review.couchbase.org/19544
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

Bloutiouf/couchnode,ConnectedHomes/couchnode,actano/couchnode,kshmir/couchnode,GannettDigital/couchnode,brett19/couchnode,KenanSulayman/couchnode,Bloutiouf/couchnode,couchbase/couchnode,jess-sheneberger/couchnode,ConnectedHomes/couchnode,kshmir/couchnode,GannettDigital/couchnode,kshmir/couchnode,jess-sheneberger/couchnode,couchbase/couchnode,ronkorving/couchnode,actano/couchnode,KenanSulayman/couchnode,corbinu/couchnode,corbinu/couchnode,ConnectedHomes/couchnode,brett19/couchnode,GannettDigital/couchnode,jess-sheneberger/couchnode,ronkorving/couchnode,jess-sheneberger/couchnode,ronkorving/couchnode,ronkorving/couchnode,actano/couchnode,Bloutiouf/couchnode,brett19/couchnode,Bloutiouf/couchnode,corbinu/couchnode,couchbase/couchnode,KenanSulayman/couchnode,ConnectedHomes/couchnode,couchbase/couchnode,KenanSulayman/couchnode