Log Message:
Update "wmbiff" package to version 0.4.25. Changes since version 0.4.19:
- Fix a build error in the new gnutls certificate
  verification code on s390.
- Use GNUTLS 1.0.4 and GCRYPT 1.1.90, current Debian
  unstable package libgnutls10-dev.
- Allow server hostnames in IMAP to be IP addresses
  (start with a number).
- Skip examine/search unless requested with msglst option.
- Exit if ssh-askpass permissions check fails.
- Fix a bug where fetch times out to some IMAP servers.
- Add --disable-crypto for source-based distributions
  while libgcrypt is unstable.
- Sam Izzo's patch for changing the mouse click action
  depending on whether a box has new mail.

The update is based on changes provided by Joel Carnat in private e-mail.