mshtml: Added IHTMLStyle::pageBreakAfter property implementation

[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=12568

Your paranoid android.


=== WXPPROSP3 (32 bit dom) ===
dom.c:5716: Test failed: put_pageBreakAfter failed: 80070057
dom.c:5721: Test failed: pageBreakAfter = (null)

=== WVISTAADM (32 bit dom) ===
dom.c:5716: Test failed: put_pageBreakAfter failed: 80070057
dom.c:5721: Test failed: pageBreakAfter = (null)

=== W2K8SE (32 bit dom) ===
dom.c:5716: Test failed: put_pageBreakAfter failed: 80070057
dom.c:5721: Test failed: pageBreakAfter = (null)