--- a/src/java.base/share/native/libjli/jli_util.c	Fri Mar 02 19:10:12 2018 +0100
+++ b/src/java.base/share/native/libjli/jli_util.c	Sat Mar 03 08:21:47 2018 +0100
@@ -100,7 +100,7 @@
 }
 
 void
-JLI_SetTraceLauncher()
+JLI_SetTraceLauncher(void)
 {
    if (getenv(JLDEBUG_ENV_ENTRY) != 0) {
         _launcher_debug = JNI_TRUE;
@@ -109,7 +109,7 @@
 }
 
 jboolean
-JLI_IsTraceLauncher()
+JLI_IsTraceLauncher(void)
 {
    return _launcher_debug;
 }