Log Message:
Update to 0.6.5:

Noteworthy changes in version 0.6.5 (2007-10-27)
------------------------------------------------

* Cleanups for the key export and import functionality.

* Clarified the semantic of cdk_pk_check_sigs.

* Now the by usage keydb function correctly finds the
  self signature.

patch-aa provided by drochner@; sent upstream, will be in next release.