MB-8400: unbreak dialyzer-found bug

Dialyzer pointed out obvious issue in my previous commit which is
wrong order of InfoLeve and BucketName parameters.

Now it actually works.

Change-Id: I515fbd406f153ccaeb9f78213aaa6b7e24ce3d61
Reviewed-on: http://review.couchbase.org/28385
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>