Move variable-sized struct member to end

Hopefully makes clang build happy

src/hb-font-private.hh

@@ -61,17 +61,6 @@ struct hb_font_funcs_t {
 
   hb_bool_t immutable;
 
-  /* Don't access these directly.  Call font->get_*() instead. */
-
-  union get_t {
-    struct get_funcs_t {
-#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_func_t name;
-      HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
-    } f;
-    void (*array[]) (void);
-  } get;
-
   struct {
 #define HB_FONT_FUNC_IMPLEMENT(name) void *name;
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
@@ -83,6 +72,16 @@ struct hb_font_funcs_t {
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
 #undef HB_FONT_FUNC_IMPLEMENT
   } destroy;
+
+  /* Don't access these directly.  Call font->get_*() instead. */
+  union get_t {
+    struct get_funcs_t {
+#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_func_t name;
+      HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+    } f;
+    void (*array[]) (void);
+  } get;
 };
 
 

src/hb-font.cc

@@ -286,6 +286,16 @@ static const hb_font_funcs_t _hb_font_funcs_nil = {
 
   true, /* immutable */
 
+  {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+  },
+  {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+  },
   {
 #define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_nil,
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
@@ -297,6 +307,16 @@ static const hb_font_funcs_t _hb_font_funcs_parent = {
 
   true, /* immutable */
 
+  {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+  },
+  {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+    HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+  },
   {
 #define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_parent,
     HB_FONT_FUNCS_IMPLEMENT_CALLBACKS