[DPLAYX] Use Interlocked* functions in AddRef and Release

[Paul Vriens]

Hi,

Another small one. 

Not inlined to avoid line-wraps.

Changelog:
 use Interlocked* functions in AddRef and Release.

Cheers,

Paul Vriens
-------------- next part --------------
A non-text attachment was scrubbed...
Name: dplayx.diff
Type: text/x-patch
Size: 910 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20050111/69d71b4b/dplayx.bin