--- libev/ev.c	2018/07/31 05:40:58	1.484
+++ libev/ev.c	2018/08/13 10:01:19	1.485
@@ -2477,7 +2477,7 @@
 #ifdef _WIN32
           WSABUF buf;
           DWORD sent;
-          buf.buf = &buf;
+          buf.buf = (char *)&buf;
           buf.len = 1;
           WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
 #else