1.0.0 is a more appropriate version bump given new functionality

git-svn-id: http://svn.xiph.org/trunk/ao@16808 0101bb08-14d6-0310-b084-bc0e0c8e3800

configure.ac

 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([libao],[0.9.0svn],[monty@xiph.org])
+AC_INIT([libao],[1.0.0svn],[monty@xiph.org])
 AM_INIT_AUTOMAKE([gnu 1.6])
 
 AM_MAINTAINER_MODE