TAB_SetItemSize - fix default height

[Tony Lambregts]

Vitaliy Margolen wrote:

>Some programs send TCM_SETITEMSIZE message with Width set to new width
>and Height is set to 0.
>When TCM_FIXEDWIDTH flag is set these programs want to leave height
>unchanged.
>
>This behavior tested with all windows version.
>
Please inline your patch.  This is  to allow other developers to easily 
review the patch.  For your reading pleasure the following link 
documents how patches should be submitted.

http://www.winehq.org/docs/wine-devel/patches.shtml

-- 

Tony Lambregts