mshtml: Implement IHTMLDocument5 createComment (try 3)

[Jacek Caban]

HI Alistair,

Alistair Leslie-Hughes wrote:
> Hi,
>   Removed unused variables.
>
> Changelog:
>     mshtml: Implement IHTMLDocument5 createComment

+    else
+    {
+        win_skip("Could not get IHTMLDocument5, probably too old IE\n");
+    }


There is no need for skip here. These tests will be skipped in 
create_document call if IHTMLDocument5 is not available anyways.


Jacek