Fixup error message for failed to remove file
Fixup error message for failed to remove file

Change-Id: I2a9d355ee53b4a70c3ef240ba4e39a4475350a31
Reviewed-on: http://review.couchbase.org/31422
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

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