winealsa.drv: Don't check input parameter twice (Coccinelle).
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@ -1069,9 +1069,6 @@ static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
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wwo = &WOutDev[wDevID];
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if (lpdwVol == NULL)
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return MMSYSERR_NOTENABLED;
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rc = ALSA_CheckSetVolume(wwo->hctl, &left, &right, &min, &max, NULL, NULL, NULL);
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if (rc == MMSYSERR_NOERROR)
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{
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