[Bug 36285] valgrind shows several leaks in kernel32/tests/debugger.c

https://bugs.winehq.org/show_bug.cgi?id=36285

--- Comment #1 from Austin English  ---
Also, one case of:
==17743== 12 bytes in 1 blocks are definitely lost in loss record 18 of 284
==17743==    at 0x7BC4C735: notify_alloc (heap.c:255)
==17743==    by 0x7BC50F79: RtlAllocateHeap (heap.c:1716)
==17743==    by 0x7BC8E7FF: RtlCreateUserThread (thread.c:517)
==17743==    by 0x7B87CFF0: CreateRemoteThread (thread.c:88)
==17743==    by 0x7B87CF4D: CreateThread (thread.c:54)
==17743==    by 0x4CF59D3: test_thread_actctx (thread.c:1587)
==17743==    by 0x4CF6401: func_thread (thread.c:1772)
==17743==    by 0x4D147AC: run_test (test.h:584)
==17743==    by 0x4D14B9B: main (test.h:654)
==17743== 
{