msi: Remove empty directories as part of the RemoveFiles action.
[wine] / dlls / toolhelp.dll16 /
drwxr-xr-x   ..
-rw-r--r-- 299 Makefile.in
-rw-r--r-- 25339 toolhelp.c
-rw-r--r-- 2008 toolhelp.dll16.spec
-rw-r--r-- 11282 toolhelp.h