Added extent_address constructor.git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5527 a95241bf-73f2-0310-859d-f6bbb57e9c96
DiskStructures.{h,cpp} -> UdfStructures.{h,cpp}git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5526 a95241bf-73f2-0310-859d-f6bbb57e9c96
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