MB-46420 Revise message so it is obvious when an empty bucket name is being reported.
MB-46420 Revise message so it is obvious when an empty bucket name is being reported.

Change-Id: If5feddee05e2003db0647d1dc3a38cb6e9747c34
Reviewed-on: http://review.couchbase.org/c/go-couchbase/+/155737
Reviewed-by: Sitaram Vemulapalli <8d86a491dcdf321bac78bef141a8229a59bf9211@couchbase.com>
Tested-by: Donald Haggart <693a38fcefea567bb88741c142b12e19c9ef6b34@couchbase.com>

couchbase/go-couchbase