Add missing file to manifest (cluster_options.c)
Add missing file to manifest (cluster_options.c)

Change-Id: I74828b11ae2f74ac0bc80a03ccef7d1791b84b84
Reviewed-on: http://review.couchbase.org/116854
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

couchbaselabs/php-couchbase,couchbaselabs/php-couchbase,couchbase/php-couchbase,couchbaselabs/php-couchbase,couchbase/php-couchbase,couchbaselabs/php-couchbase,couchbase/php-couchbase,couchbase/php-couchbase