--- old/src/java.base/share/native/libjava/io_util.c	2018-03-23 14:24:10.109158076 +0100
+++ new/src/java.base/share/native/libjava/io_util.c	2018-03-23 14:24:09.905158077 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -201,7 +201,7 @@
     }
 }
 
-void
+JNIEXPORT void JNICALL
 throwFileNotFoundException(JNIEnv *env, jstring path)
 {
     char buf[256];