Update third-party http_redis module from 0.3.4 to 0.3.5.
Update third-party http_gunzip_filter module from 0.3 to 0.4.
Do not bump PORTREVISION because these third-party modules are
disabled by default.
Changes with http_redis 0.3.5
*) Feature: add test for not set $redis_db directive.
*) Feature: keep-alive support merged from original
memcached module 1.1.4.
Changes with http_gunzip 0.4
*) Feature: support for nginx 1.1.4.