MB-4428: Fixed getl memory leak
MB-4428: Fixed getl memory leak

Change-Id: Id764f9d2f532e44bbbc3f6b190f9e420825551fb
Reviewed-on: http://review.couchbase.org/14070
Reviewed-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>
Tested-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>

teligent-ru/ep-engine,couchbase/ep-engine,abhinavdangeti/ep-engine,hisundar/ep-engine,daverigby/kv_engine,sriganes/ep-engine,jimwwalker/ep-engine,jimwwalker/ep-engine,owendCB/ep-engine,membase/ep-engine,daverigby/kv_engine,hisundar/ep-engine,jimwwalker/ep-engine,owendCB/ep-engine,membase/ep-engine,teligent-ru/ep-engine,abhinavdangeti/ep-engine,owendCB/ep-engine,sriganes/ep-engine,couchbase/ep-engine,daverigby/ep-engine,couchbase/ep-engine,membase/ep-engine,sriganes/ep-engine,abhinavdangeti/ep-engine,teligent-ru/ep-engine,abhinavdangeti/ep-engine,owendCB/ep-engine,daverigby/ep-engine,daverigby/kv_engine,hisundar/ep-engine,couchbase/ep-engine,daverigby/ep-engine,teligent-ru/ep-engine,jimwwalker/ep-engine,daverigby/kv_engine,abhinavdangeti/ep-engine,daverigby/ep-engine,sriganes/ep-engine,hisundar/ep-engine,membase/ep-engine