Rename HB_GNUC_UNUSED -> HB_UNUSED
diff --git a/src/hb-unicode.c b/src/hb-unicode.c
index b6bd4ba..b75fe7e 100644
--- a/src/hb-unicode.c
+++ b/src/hb-unicode.c
@@ -33,10 +33,10 @@
*/
static hb_codepoint_t hb_unicode_get_mirroring_nil (hb_codepoint_t unicode) { return unicode; }
-static hb_category_t hb_unicode_get_general_category_nil (hb_codepoint_t unicode HB_GNUC_UNUSED) { return HB_CATEGORY_OTHER_LETTER; }
-static hb_script_t hb_unicode_get_script_nil (hb_codepoint_t unicode HB_GNUC_UNUSED) { return HB_SCRIPT_UNKNOWN; }
-static unsigned int hb_unicode_get_combining_class_nil (hb_codepoint_t unicode HB_GNUC_UNUSED) { return 0; }
-static unsigned int hb_unicode_get_eastasian_width_nil (hb_codepoint_t unicode HB_GNUC_UNUSED) { return 1; }
+static hb_category_t hb_unicode_get_general_category_nil (hb_codepoint_t unicode HB_UNUSED) { return HB_CATEGORY_OTHER_LETTER; }
+static hb_script_t hb_unicode_get_script_nil (hb_codepoint_t unicode HB_UNUSED) { return HB_SCRIPT_UNKNOWN; }
+static unsigned int hb_unicode_get_combining_class_nil (hb_codepoint_t unicode HB_UNUSED) { return 0; }
+static unsigned int hb_unicode_get_eastasian_width_nil (hb_codepoint_t unicode HB_UNUSED) { return 1; }
hb_unicode_funcs_t _hb_unicode_funcs_nil = {
HB_REFERENCE_COUNT_INVALID, /* ref_count */
