mshtml: Implement IHTMLStyle get/put minHeight (resend)

[Jacek Caban]

Hi Alistair,

Alistair Leslie-Hughes wrote:
> Hi,
>
> Changelog:
>     mshtml: Implement IHTMLStyle get/put minHeight
>

[get|set]_nsstyle_attr_var functions were introduces to avoid the code 
duplication like you do. You should use them (and probably implement 
VT_I4 handling in set_nsstyle_attr_var).


Jacek