Remove LPOVERLAPPED

Author: ChrisDenton

Diff for: std/src/sys/pal/windows/c.rs

@@ -21,7 +21,6 @@ pub type DWORD = c_ulong;
 pub type WCHAR = u16;
 pub type ULONG = c_ulong;
 
-pub type LPOVERLAPPED = *mut OVERLAPPED;
 pub type LPSECURITY_ATTRIBUTES = *mut SECURITY_ATTRIBUTES;
 pub type LPVOID = *mut c_void;
 

Diff for: std/src/sys/pal/windows/pipe.rs

@@ -227,7 +227,7 @@ type AlertableIoFn = unsafe extern "system" fn(
     BorrowedHandle<'_>,
     c::LPVOID,
     c::DWORD,
-    c::LPOVERLAPPED,
+    *mut c::OVERLAPPED,
     c::LPOVERLAPPED_COMPLETION_ROUTINE,
 ) -> c::BOOL;