Fix build break from missing include due to OoO merge of patches
Fix build break from missing include due to OoO merge of patches

Change-Id: Ie7a448a5a7988221c39aea3b79f281db687bcb3c
Reviewed-on: http://review.couchbase.org/102184
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine