Remove warnings from c files
Remove warnings from c files

Change-Id: I4c86738cb25e6951c72d6b0a351675af5104fb4f
Reviewed-on: http://review.couchbase.org/31311
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

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