Define get_for_data() factories
diff --git a/src/harfbuzz-gdef-private.h b/src/harfbuzz-gdef-private.h
index 1820127..db3ab98 100644
--- a/src/harfbuzz-gdef-private.h
+++ b/src/harfbuzz-gdef-private.h
@@ -170,6 +170,9 @@
DEFINE_ACCESSOR0( , Type, name, Name)
struct GDEFHeader {
+ static const hb_tag_t GDEFTag = HB_TAG ('G','D','E','F');
+
+ STATIC_DEFINE_GET_FOR_DATA (GDEFHeader);
DEFINE_ACCESSOR (ClassDef, get_glyph_class_def, glyphClassDef);
DEFINE_ACCESSOR (AttachList, get_attach_list, attachList);