comctl32: Fix TB_SETEXTENDEDSTYLE to use mask passed in wParam

[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=16982

Your paranoid android.


=== WNT4WSSP6 (32 bit toolbar) ===
toolbar.c:1898: Test failed: 1: got style 0x00000008, expected 0x00000099
toolbar.c:1898: Test failed: 7: got style 0x00000008, expected 0x00000000
toolbar.c:1898: Test failed: 8: got style 0x00000010, expected 0x00000000
toolbar.c:1898: Test failed: 9: got style 0x00000008, expected 0x00000000