[PATCH] shell32/tests: Fix some leaks (Valgrind)

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=45736

Your paranoid android.


=== w2003std (32 bit report) ===

shell32:
shlfolder.c:4955: Test failed: MKDIR: Expected wndproc to be called
shlfolder.c:4867: Test failed: Didn't expect a WM_USER_NOTIFY message (event: 8)
shlfolder.c:4955: Test failed: CREATE: Expected wndproc to be called
shlfolder.c:4867: Test failed: Didn't expect a WM_USER_NOTIFY message (event: 2)
shlfolder.c:4955: Test failed: RMDIR: Expected wndproc to be called
shlfolder.c:4867: Test failed: Didn't expect a WM_USER_NOTIFY message (event: 10)
shlfolder.c:4955: Test failed: MKDIR: Expected wndproc to be called
shlfolder.c:4867: Test failed: Didn't expect a WM_USER_NOTIFY message (event: 6ac)
shlfolder.c:4955: Test failed: CREATE: Expected wndproc to be called
shlfolder.c:4867: Test failed: Didn't expect a WM_USER_NOTIFY message (event: 6ac)
shlfolder.c:4955: Test failed: RMDIR: Expected wndproc to be called
shlfolder.c:4867: Test failed: Didn't expect a WM_USER_NOTIFY message (event: 6ac)