winealsa crashes if invalid rate was specified

[Oleg Prokhorov]

Hello wine-patches,

  Problem:
  After examining Richochet (game) with winealsa 0.9, I found
  that it specifies invalid 22055 Hz rate and later crashes,
  since winealsa will access uninitialized structures. This
  patch avoids such access.

  Change-log:
  Avoid crash if invalid rate was specified.

-- 
Best regards,
 Oleg                          mailto:xolegpro at rbcmail.ru
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