[Bug 36558] valgrind shows a definite leak in comctl32/tests/treeview.c

https://bugs.winehq.org/show_bug.cgi?id=36558

--- Comment #2 from Austin English  ---
The second leak also shows up in explorerframe/tests/nstc.c:
==27764== 140 bytes in 1 blocks are definitely lost in loss record 568 of 813
==27764==    at 0x7BC4C6DF: notify_alloc (heap.c:255)
==27764==    by 0x7BC50F23: RtlAllocateHeap (heap.c:1716)
==27764==    by 0x6725841: ImageListImpl_CreateInstance (imagelist.c:3697)
==27764==    by 0x671E1EA: ImageList_Create (imagelist.c:772)
==27764==    by 0x679C37F: TREEVIEW_InitCheckboxes (treeview.c:2954)
==27764==    by 0x67A1D23: TREEVIEW_StyleChanged (treeview.c:5495)
==27764==    by 0x67A2DE8: TREEVIEW_WindowProc (treeview.c:5838)
==27764==    by 0x550E4F5: ??? (winproc.c:173)
==27764==    by 0x550E66A: call_window_proc (winproc.c:244)
==27764==    by 0x5510ABE: CallWindowProcW (winproc.c:981)
==27764==    by 0x66CB9CE: ???
==27764==    by 0x550E4F5: ??? (winproc.c:173)
==27764==    by 0x550E66A: call_window_proc (winproc.c:244)
==27764==    by 0x5510803: WINPROC_call_window (winproc.c:900)
==27764==    by 0x54CD11C: call_window_proc (message.c:2223)
==27764==    by 0x54CFFBA: send_message (message.c:3260)
==27764==    by 0x54D05D8: SendMessageW (message.c:3454)
==27764==    by 0x5502439: WIN_SetWindowLong (win.c:2515)
==27764==    by 0x55026BC: SetWindowLongW (win.c:2670)
==27764==    by 0x66CDB2E: ???
==27764==