--- a/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-layout-jstf-table.hh	Tue Dec 05 11:04:42 2017 -0800
+++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-layout-jstf-table.hh	Thu Dec 07 11:55:06 2017 -0800
@@ -124,7 +124,7 @@
 struct JstfLangSys : OffsetListOf<JstfPriority>
 {
   inline bool sanitize (hb_sanitize_context_t *c,
-                        const Record<JstfLangSys>::sanitize_closure_t * = NULL) const
+                        const Record<JstfLangSys>::sanitize_closure_t * = nullptr) const
   {
     TRACE_SANITIZE (this);
     return_trace (OffsetListOf<JstfPriority>::sanitize (c));
@@ -165,7 +165,7 @@
   inline const JstfLangSys& get_default_lang_sys (void) const { return this+defaultLangSys; }
 
   inline bool sanitize (hb_sanitize_context_t *c,
-                        const Record<JstfScript>::sanitize_closure_t * = NULL) const
+                        const Record<JstfScript>::sanitize_closure_t * = nullptr) const
   {
     TRACE_SANITIZE (this);
     return_trace (extenderGlyphs.sanitize (c, this) &&