Add NEWS entry

Alexey Izbyshev · Alexey Izbyshev · commit d572fb3d28bb · 2018-03-01T17:15:29.000+03:00
diff --git a/Misc/NEWS.d/next/Windows/2018-03-01-17-14-54.bpo-32904.SFcofz.rst b/Misc/NEWS.d/next/Windows/2018-03-01-17-14-54.bpo-32904.SFcofz.rst
@@ -0,0 +1,2 @@
+Fix a potential crash in os.chdir() and os.getcwd() if another thread is
+calling os.chdir() concurrently.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+Fix a potential crash in os.chdir() and os.getcwd() if another thread is`
	`2`	`+calling os.chdir() concurrently.`