Docs: Change port to be an integer in htttp input docs
Docs: Change port to be an integer in htttp input docs

Original commit: elastic/x-pack-elasticsearch@54078b4d3422564d16fdc1fa0a3aa649666e55cb

vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra