Added bug number to changelog for bug fixed in 1.0rc3 (#110858)

git-svn-id: http://svn.xiph.org/trunk/ao@2850 0101bb08-14d6-0310-b084-bc0e0c8e3800

debian/changelog

 libao (0.8.2-1) unstable; urgency=low
 
-  * New upstream.
+  * New upstream. (Closes: #110858)
   * Changed to building alsa 0.9.x plugin instead of obsolete 0.5.x (Closes: #103787)
   * added autotools target (config.* updater) to rules