[resend] additional NULL parameter checks within winmm.c

[Oleg Prokhorov]

Hello,

Changelog:
Additional boring NULL parameter checks within winmm.c

-- 
Best regards,
 Oleg                          mailto:xolegpro at rbcmail.ru
-------------- next part --------------
A non-text attachment was scrubbed...
Name: winmm_UPB.diff
Type: application/octet-stream
Size: 888 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20030826/5f6112be/winmm_UPB.obj