Updating www/p5-HTTP-Request-AsCGI from 0.9 to 1.2

pkgsrc changes:
- Correcting license

Upstream changes:
1.2 2010-01-12
    - Fixed the %ENV concatenation that's broken in 1.1 but wasn't shipped to CPAN (miyagawa)
    - REQUEST_URI is trying to replicate as raw values as possible, without being canonicalized (miyagawa)

1.1 2009-12-07
- added test to check that %ENV is preserved after setup is called
- setup now concatenates its environment to %ENV instead of replacing it

1.0 2009-11-30
    - Change how PATH_INFO is decoded so that everything is decoded, including
      URI reserved characters (RT#50082)

(sno)