Log Message:
Add PKG_DESTDIR_SUPPORT.
Update to Polipo 1.0.4.1.

from CHANGELOG:
31 January 2010: Polipo 1.0.4.1:
  Cherry-picked fixes from 1.0.5
  * Fixed an integer overflow that may lead to a crash
    (http://secunia.com/advisories/37607/). Discovered by Jeremy Brown.
    (CVE-2009-4413)
  * Fixed a crash that occurs when a server sends a malformed
    Cache-Control: header (CVE-2009-3305). Patch from Stefan Fritsch.
  * Prevent an infinite loop when a bodyless 204 or 1xx response is encountered.
  * Don't crash when we get an error while waiting for 100 continue status.