[Bug 36357] valgrind shows a leak in dswave/tests/dswave.c

https://bugs.winehq.org/show_bug.cgi?id=36357

--- Comment #1 from Austin English  ---
Also
==13572== 28 bytes in 1 blocks are possibly lost in loss record 173 of 600
==13572==    at 0x7BC50A9B: RtlAllocateHeap (heap.c:255)
==13572==    by 0x4E52BB8: apartment_getclassobject (compobj.c:526)
==13572==    by 0x4E55FC6: get_inproc_class_object (compobj.c:2894)
==13572==    by 0x4E58D2F: CoGetClassObject (compobj.c:3032)
==13572==    by 0x4E594B7: CoCreateInstance (compobj.c:3197)
==13572==    by 0x4A54D3C: func_dswave (dswave.c:30)
==13572==    by 0x4A55F8C: run_test (test.h:584)
==13572==    by 0x4A5637A: main (test.h:654)
==13572==