msacm32: Clear the type field when deleting a driver.

diff --git a/dlls/msacm32/driver.c b/dlls/msacm32/driver.c
index 9ca16dc75f4d476578479786d1948485f0adb3bd..c02d89f009fbc8621662bceeec049f95ec0aae0d 100644 (file)
--- a/dlls/msacm32/driver.c
+++ b/dlls/msacm32/driver.c
@@ -214,6 +214,7 @@ MMRESULT WINAPI acmDriverClose(HACMDRIVER had, DWORD fdwClose)
     else if (pad->pLocalDrvrInst)
         MSACM_CloseLocalDriver(pad->pLocalDrvrInst);
 
+    pad->obj.dwType = 0;
     HeapFree(MSACM_hHeap, 0, pad);
 
     return MMSYSERR_NOERROR;