Fix typo ('AUTORITY' should be 'AUTHORITY')
Fix typo ('AUTORITY' should be 'AUTHORITY')

Change-Id: I526323985cd20da0a450791f025640900eb5cce2
Reviewed-on: http://review.couchbase.org/29936
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

couchbase/libvbucket,membase/libvbucket