- Enable soft pcm volume flag early to ensure it not being clobbered   by the subsequent mix_setdevs() and friends. - Minor style(9) declaration arrangement nit.
- Enable soft pcm volume flag early to ensure it not being clobbered
  by the subsequent mix_setdevs() and friends.
- Minor style(9) declaration arrangement nit.

Requested by:	joeld
Submitted by:	pluknet <pluknet@gmail.com>

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