DSOUND: make test recover from failure to preserve primary buffer length after SetFormat()

[Alex Villací­s Lasso]

Required when testing under ALSA driver (WINETEST_INTERACTIVE=1) to keep 
testing with updated buffer length.

Changelog:
* Recover from failure to preserve buffer length after SetFormat()

-- 
perl -e '$x=2.4;print sprintf("%.0f + %.0f = %.0f\n",$x,$x,$x+$x);'

-------------- next part --------------
A non-text attachment was scrubbed...
Name: wine-dsound-tests-recover-buflen-change.patch
Type: text/x-patch
Size: 1268 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20070625/5ac528a0/wine-dsound-tests-recover-buflen-change.bin