MB-6066: command_ids.h can't be used by AC_CHECK_HEADER
MB-6066: command_ids.h can't be used by AC_CHECK_HEADER

Change-Id: Ieb790e4a5cb4377532743330c47fa7e9c882a6e1
Reviewed-on: http://review.couchbase.org/19080
Reviewed-by: Jin Lim <c45cd80a556f432a3607171a6818cd5a074b5cd4@couchbase.com>
Tested-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>
Reviewed-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>

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