Fix unreachable TVHT_ONITEMSTATEICON in TREEVIEW_LButtonDown.
[wine] / loader /
drwxr-xr-x   ..
-rw-r--r-- 21801 loadorder.c
-rw-r--r-- 25504 module.c
drwxr-xr-x - ne
-rw-r--r-- 12307 pe_image.c
-rw-r--r-- 44172 task.c