diff -r 0015bf3a82e0 -r 489867818774 src/java.desktop/share/native/common/java2d/opengl/OGLPaints.c
--- a/src/java.desktop/share/native/common/java2d/opengl/OGLPaints.c	Fri Mar 02 19:10:12 2018 +0100
+++ b/src/java.desktop/share/native/common/java2d/opengl/OGLPaints.c	Sat Mar 03 08:21:47 2018 +0100
@@ -153,7 +153,7 @@
 static GLuint gradientTexID = 0;
 
 static void
-OGLPaints_InitGradientTexture()
+OGLPaints_InitGradientTexture(void)
 {
     GLclampf priority = 1.0f;
 
@@ -500,7 +500,7 @@
     "%s";
 
 static void
-OGLPaints_InitMultiGradientTexture()
+OGLPaints_InitMultiGradientTexture(void)
 {
     GLclampf priority = 1.0f;