[Bug 10649] Regression in RegQueryValueExA when called in unorthodox manner

http://bugs.winehq.org/show_bug.cgi?id=10649

--- Comment #9 from Sam Dennis   2007-12-11 17:48:37 ---
Actually, it is safe.  It's never referenced unless data has a non-NULL value
and if data is non-NULL and count is NULL, the function returns early with an
error.

I meant to send it to wine-patches but forgot, I'll do that now.