--- a/src/java.desktop/share/native/libawt/java2d/SurfaceData.c	Tue Feb 13 15:28:07 2018 +0100
+++ b/src/java.desktop/share/native/libawt/java2d/SurfaceData.c	Mon Jun 11 11:23:20 2018 +0200
@@ -231,7 +231,7 @@
     GETMIN(src->y2, dst->y2 - dy);
 }
 
-JNIEXPORT SurfaceDataOps *
+JNIEXPORT SurfaceDataOps * JNICALL
 SurfaceData_InitOps(JNIEnv *env, jobject sData, int opsSize)
 {
     SurfaceDataOps *ops = malloc(opsSize);