From 5a72b781cb1a44951c60a2a91c8de6e0b97f03f5 Mon Sep 17 00:00:00 2001
From: Robin Watts <robin.watts@artifex.com>
Date: Sat, 26 Mar 2016 09:30:14 +0000
Subject: Add missing hb_lock/unlock around shaper freeing.

This was causing blocks to be free'd rather than fz_free'd.
---
 source/fitz/font.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'source/fitz')

diff --git a/source/fitz/font.c b/source/fitz/font.c
index 385803ea..a0a659fe 100644
--- a/source/fitz/font.c
+++ b/source/fitz/font.c
@@ -154,7 +154,9 @@ fz_drop_font(fz_context *ctx, fz_font *font)
 	fz_free(ctx, font->bbox_table);
 	fz_free(ctx, font->width_table);
 	fz_free(ctx, font->advance_cache);
+	hb_lock(ctx);
 	hb_font_destroy(font->shaper);
+	hb_unlock(ctx);
 	fz_free(ctx, font);
 }
 
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