--- a/src/java.desktop/unix/native/libawt_xawt/awt/gtk_interface.c	Fri Mar 02 19:10:12 2018 +0100
+++ b/src/java.desktop/unix/native/libawt_xawt/awt/gtk_interface.c	Sat Mar 03 08:21:47 2018 +0100
@@ -83,7 +83,7 @@
     return load_order;
 }
 
-static GtkLib* get_loaded() {
+static GtkLib* get_loaded(void) {
     GtkLib** libs = get_libs_order(GTK_ANY);
     while(!gtk && *libs) {
         GtkLib* lib = *libs++;