Updating package www/p5-HTTP-Proxy from 0.23 to 0.24

Upstream changes:
0.24 Tue Jul 21 21:28:02 CEST 2009
        [ENHANCEMENTS]
        - When a short-circuit response was send, the next response
          would not be filtered at all. This has been fixed.
        [FIXES]
        - yet another fix for t/23connect, proposed by Marek Rouchal
          (closed RT ticket #38995) [test skipped for now]
        - HTTP::Headers::Util's split_header_words() returns lower case
          tokens/keys since October 6, 2008. Fix by Maurice Aubrey.
          (closed RT tickets #43249, #43622)

(sno)