--- a/src/java.desktop/share/native/common/java2d/opengl/OGLVertexCache.c	Fri Mar 02 19:10:12 2018 +0100
+++ b/src/java.desktop/share/native/common/java2d/opengl/OGLVertexCache.c	Sat Mar 03 08:21:47 2018 +0100
@@ -97,7 +97,7 @@
 }
 
 void
-OGLVertexCache_FlushVertexCache()
+OGLVertexCache_FlushVertexCache(void)
 {
     J2dTraceLn(J2D_TRACE_INFO, "OGLVertexCache_FlushVertexCache");
 
@@ -147,7 +147,7 @@
 }
 
 static jboolean
-OGLVertexCache_InitMaskCache()
+OGLVertexCache_InitMaskCache(void)
 {
     J2dTraceLn(J2D_TRACE_INFO, "OGLVertexCache_InitMaskCache");