Issue #7858: Raise an error properly when os.utime() fails under Windows
on an existing file.

(this does not seem to be easily testable)
diff --git a/Misc/NEWS b/Misc/NEWS
index bdac346..df42025 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -30,6 +30,9 @@
 Library
 -------
 
+- Issue #7858: Raise an error properly when os.utime() fails under Windows
+  on an existing file.
+
 - Issue #3839: wsgiref should not override a Content-Length header set by
   the application.  Initial patch by Clovis Fabricio.