Changes in version 2.25.90 are:
* Add certificate UI bit to gcr library.
* Can now again clear the cached authentication from an SSH key.
* Add some additional helper functions to gp11 library. 
* Fix some corner cases in signal handling. [James Henstridge]
* Don't crash when trying to lock keyrings that don't have a password.
* Fix problems running on 64-bit systems. [Christophe Fergeau]
* Build fixes [Theppitak Karoonboonyanan, Saleem Abdulrasool]