Changes in version 3.20.1 are:
 * Fix boolean logic error in ssh-agent
 * Pass the correct argc to gkr_pam_client_run_operation [#766222]
 * Look for both dlopen and dlsym when configuring [#766221]
 * Fix .so link in gnome-keyring-3 man page [#767095]
 * Die if the XDG session we were started under goes away [#768943]
 * Shorten unlock keyring dialog title [#770170]
 * Updated translations