Look to see if -lpthread is required.
Look to see if -lpthread is required.

Change-Id: I91fa0530c2db4fb519863a70565120b6e1d3b11b
Reviewed-on: http://review.northscale.com:8080/91
Reviewed-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>
Tested-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>

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