Rework the USB code so that the channel parameters only need to be deallocated in one place. (dm)
Rework the USB code so that the channel parameters only need to be deallocated in one place. (dm)


git-svn-id: 30a5f035a20f1bc647618dbad7eea2a951b61b7c@7690 91a5dbb7-01b9-0310-9b5f-b28072856b6e

brltty/brltty,brltty/brltty,brltty/brltty,brltty/brltty,brltty/brltty,brltty/brltty