shell32: add a message for opening files with no association

[Vincent Povirk]

On Wed, Feb 25, 2009 at 8:57 PM, Austin English <austinenglish at gmail.com> wrote:
> Not sure if it matters for .rc files, but you're using spaces whereas
> the earlier entries are using tabs.

I know. I hate them.

Anyway, the even earlier entries are using spaces.