wined3d - fix grammatical errors

[EA Durbin]

>Personally, I don't think the sentences in question need to be changed
>though.
>
>[1] http://winehq.org/site/sending_patches
>
>--
>James Hawkins

The sentence is grammatically incorrect using "is" with "by now" as the 
phrase "by now" implies past tense and is grammatically incorrect. I was 
testing an application and saw the phrase pop up, and knew it was incorrect. 
The sentence should be re-structured for present tense.

http://experts.about.com/q/General-Writing-Grammar-680/question-21.htm