[Bug 10114] Wine shouldn't rewrite the registry if it hasn't been changed

http://bugs.winehq.org/show_bug.cgi?id=10114

--- Comment #6 from Alexandre Julliard   2007-10-21 02:51:19 ---
The saving happens in the background so it doesn't really matter if it's
inefficient. The loading does delay startup a little bit, but I don't see much
evidence that it's a significant slowdown.