Update "milter-greylist" package to version 4.2.5. Changes since 4.2.3:
- New rate limiting feature
- Network byte order byg fix in p0f code (Adrian Dabrowski)
- Update .spec file for libcurl, GeoIP and p0f support (Chris Bennett)
- Better configure test to avoid resolver memory leaks (Hajimu UMEMOTO)
- Really support dkim self and dkim none clauses
- Fix p0f wrong results caused by thread unsafety (Enrico Scholz)
- Fix GeoIP related crashes caused by thread unsafety (Enrico Scholz)
- Fix dumpfile argument on command line (Ole Hansen)
- Do not reject message if p0f cannot identiy the remote system
- Header for autowhitelisted messages bug fix (Attila Bruncsak)
- Fix MX sync stop on config reload (Attila Bruncsak, Hajimu UMEMOTO)

(tron)