This update for crda fixes the following issues:

- Update to version 3.18:
* User visible: add pubkey of new wireless-regdb maintainer to
make crda work at all with newer wireless-regdb
* Synchronize code with latest kernel changes
* Crda: add auto-bw rule flag support
* Crda: parse/print cac time
* Code restructuring and bug fixes
*** License is now copyleft-next-0.3.0 ***
* Shared library libreg.so is now used by the tools