Fix queryhost options warning.

Change-Id: Ic6cacf968ca7b36c689d8b51cb63a94d155f5ea5
Updated to new libcouchbase.

Change-Id: I0fbf92c1a80b902e50c8a37b304abe06c0ff8856

Woops...

Change-Id: Id8c778d10df373357ee4685752cce8ea1d97f84b