--- old/src/java.base/windows/native/libnet/net_util_md.c	2018-03-23 14:24:26.561157954 +0100
+++ new/src/java.base/windows/native/libnet/net_util_md.c	2018-03-23 14:24:26.317157956 +0100
@@ -967,7 +967,7 @@
  * It returns the time left from the timeout, or -1 if it expired.
  */
 
-jint
+JNIEXPORT jint JNICALL
 NET_Wait(JNIEnv *env, jint fd, jint flags, jint timeout)
 {
     jlong prevTime = JVM_CurrentTimeMillis(env, 0);