[Bug 20896] Use-after-free in DdeClientTransaction in user32 dde tests

http://bugs.winehq.org/show_bug.cgi?id=20896

--- Comment #5 from Austin English  ---
Still in wine-1.7.11-206-g82b3813
==21199== Invalid read of size 2
==21199==    at 0x7B84490C: GlobalFree (heap.c:758)
==21199==    by 0x534B100: WDML_FreeTransaction (dde_misc.c:1985)
==21199==    by 0x5347579: DdeClientTransaction (dde_client.c:1226)
==21199==    by 0x4EEBDEF: test_ddeml_client (dde.c:403)
==21199==    by 0x4EF2D8A: func_dde (dde.c:2697)
==21199==    by 0x4EC9EEB: main (test.h:584)