fix build

RalfJung · RalfJung · commit a81027515069 · 2018-11-27T13:48:40.000+01:00
diff --git a/src/libstd/sys/windows/mutex.rs b/src/libstd/sys/windows/mutex.rs
@@ -164,7 +164,7 @@ unsafe impl Sync for ReentrantMutex {}
 
 impl ReentrantMutex {
     pub fn uninitialized() -> ReentrantMutex {
-        MaybeUninit::uninitialized()
+        ReentrantMutex { inner: MaybeUninit::uninitialized() }
     }
 
     pub unsafe fn init(&mut self) {

Original file line number	Diff line number	Diff line change
`@@ -164,7 +164,7 @@ unsafe impl Sync for ReentrantMutex {}`
`164`	`164`
`165`	`165`	`impl ReentrantMutex {`
`166`	`166`	`pub fn uninitialized() -> ReentrantMutex {`
`167`		`- MaybeUninit::uninitialized()`
	`167`	`+ ReentrantMutex { inner: MaybeUninit::uninitialized() }`
`168`	`168`	`}`
`169`	`169`
`170`	`170`	`pub unsafe fn init(&mut self) {`