[coretext] Hopefully the last one
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 0831ecb..918f649 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -357,7 +357,7 @@
/* Drop and recreate. */
/* If someone dropped it in the mean time, throw it away and don't touch it.
* Otherwise, destruct it. */
- if (likely (font->data.coretext.cmpexch (data, nullptr)))
+ if (likely (font->data.coretext.cmpexch (const_cast<hb_coretext_font_data_t *> (data), nullptr)))
_hb_coretext_shaper_font_data_destroy (const_cast<hb_coretext_font_data_t *> (data));
else
goto retry;