Pull fixes from libtcod.

HexDecimal · HexDecimal · commit fc176c21cf73 · 2020-11-30T09:55:51.000-08:00
Hotfix for printing the Unicode PUA.
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -8,6 +8,8 @@ v2.0.0
 
 Unreleased
 ------------------
+Fixed
+ - Code points from the Private Use Area will now print correctly.
 
 11.18.0 - 2020-11-13
 --------------------
diff --git a/libtcod b/libtcod
@@ -1 +1 @@
-Subproject commit 838456f03be9c3e0bc5f596e77b05e3388bebe27
+Subproject commit 788e2682633758543cf87512f093a91dab4c251f
