MB-6365: missing comma in error message formatting
MB-6365: missing comma in error message formatting

Change-Id: Ic693cfe70a66b1819b80c6fa9b3b7de961ce158e
Reviewed-on: http://review.couchbase.org/19996
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>
Tested-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>

couchbaselabs/couchbase-cli,couchbaselabs/couchbase-cli,couchbaselabs/couchbase-cli,membase/membase-cli,membase/membase-cli,couchbase/couchbase-cli,membase/membase-cli,couchbase/couchbase-cli