--- a/src/java.base/unix/native/libnet/PlainSocketImpl.c	Fri Mar 02 19:10:12 2018 +0100
+++ b/src/java.base/unix/native/libnet/PlainSocketImpl.c	Sat Mar 03 08:21:47 2018 +0100
@@ -72,7 +72,7 @@
  * which we shutdown but do not close the fd. The result is an fd that
  * can be used for read/write.
  */
-static int getMarkerFD()
+static int getMarkerFD(void)
 {
     int sv[2];