SDL_ttf: Update to latest harfbuzz revision

From b71c0d922297e29a082d5f287c96077f07dc72a9 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 14 May 2022 14:56:56 +0300
Subject: [PATCH] Update to latest harfbuzz revision

---
 external/harfbuzz | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/harfbuzz b/external/harfbuzz
index 501d626..01e6647 160000
--- a/external/harfbuzz
+++ b/external/harfbuzz
@@ -1 +1 @@
-Subproject commit 501d626a0b5762d1d37d38ca729fd8ddc432b53d
+Subproject commit 01e664706ab4df55cb36d7ab75e6d56d7dc03372