fix the build with ac97 code


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29524 a95241bf-73f2-0310-859d-f6bbb57e9c96

Auvia driver for Via audio chipsets VT82C686 and VT8233/35


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3063 a95241bf-73f2-0310-859d-f6bbb57e9c96