spec: update to 0.99.22.2
Update to the latest upstream. 0.99.22.2 delivers only the fix for
CVE-2013-2236. We have ospfapi and ospfclient disabled, but in order
to be consistent we push update anyway.
Resolves: #990015
http://nongnu.askapache.com//quagga/quagga-0.99.22.2.changelog.txt