A problem with winmm and word

[Duane Clark]

Word2000 seems to work good for me, except when I exit. It than 
invariably crashes in winmm, of all places:
Backtrace:
=>0 0x44056d9f (MULTIMEDIA_PlaySound+0x12f(pszSound=0x0, hmod=0x0, 
fdwSound=0x40, bUnicode=0x0) [mmsystem.c:639] in winmm.dll.so) 
(ebp=405b6bfc)
   1 0x44056e37 (WINMM.DLL.PlaySound+0x13 in winmm.dll.so) (ebp=405b6c14)
   2 0x30962b08 (MSO9.DLL._MsoFShowTooltip at 8+0x123b in C:\PROGRAM 
FILES\MICROSOFT OFFICE\OFFICE\MSO9.DLL) (ebp=405b6d78)
   3 0x30a92306 (MSO9.DLL._MsoFGetCursorLocation at 8+0x23f in C:\PROGRAM 
FILES\MICROSOFT OFFICE\OFFICE\MSO9.DLL) (ebp=405b6d9c)
   4 0x30170343 (winword.exe.EntryPoint+0x16d9a3 in C:\Program 
Files\Microsoft Office\Office\winword.exe) (ebp=307cd7d0)
   5 0x00000012 (ebp=00000000)

MULTIMEDIA_PlaySound() gets called three times. The first two times work 
ok, but on the third time, it is called with a NIL pszSound. This causes 
wps to never be set, causing the crash on line 639:
     wps->lpNext = iData->lpPlaySound;

I added a simple test to return if wps is not set, and Word exits fine. 
But I have no idea whether that is the right thing to do.