Include sys/types.h at the beginning of config_static.h
Include sys/types.h at the beginning of config_static.h

Including other headers without this header caused compilation
problems on some platforms (like freebsd) if you include tcp.h

Change-Id: Ib35d146e7f5a2720418c84970eb3f896736526c1
Reviewed-on: http://review.couchbase.org/8958
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Reviewed-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@couchbase.com>

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