dlls/tests: Assorted spelling fixes

[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
http://testbot.winehq.org/JobDetails.pl?Key=13236

Your paranoid android.


=== W7PROX64 (64 bit msg) ===
Timeout

=== WVISTAADM (32 bit win) ===
win.c:1157: Test failed: first call to SetShellWindow(hwnd1)
win.c:1159: Test failed: wrong shell window: 0002010E
win.c:1196: Test failed: SetShellWindow(hwnd4)
win.c:1198: Test failed: wrong shell window: 0002010E - expected hwnd4
win.c:1201: Test failed: wrong next window for hwnd4: 000200EE - expected 0
win.c:1212: Test failed: wrong shell window: 0002010E - expected hwnd4
win.c:1222: Test failed: wrong next window for hwnd4 after SetWindowPos(): 000200EE - expected 0