[PATCH 5] winmm: Do not crash on NULL MCI Sysinfo command output buffer pointer

[Joerg-Cyril.Hoehle at t-systems.com]

Hi,

somehow Eric forgot to look in my testsuite what the correct error is.

Regards,
	Jörg Höhle
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: 0005-winmm-Do-not-crash-on-NULL-MCI-Sysinfo-command-outp.txt
URL: <http://www.winehq.org/pipermail/wine-patches/attachments/20091027/73c7fb3b/attachment-0001.txt>