Making wine complain if profile dir isn't valid

[Paul Millar]

Hi,

Got caught out by a "gotcha", where %USERPROFILE% was not mapped into the
correct directory because the directory didn't exist. A valid
%USERPROFILE% is a requirement of one of Juergen regression tests
(%USERPROFILE%\subdir1 > 25).

The attached patch will make wine emit a warning if the directory isn't
valid.  This is "the right thing", isn't it?

ChangeLog:
   Wine now warns if Profile directory doesn't exist.

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Paul Millar