Add Anders Chrigstrom to Misc/ACKS for his work on unicodedata.
diff --git a/Misc/ACKS b/Misc/ACKS
index 1acbf2f..753ca7b 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -132,6 +132,7 @@
 Albert Chin-A-Young
 Adal Chiriliuc
 Matt Chisholm
+Anders Chrigström
 Tom Christiansen
 Vadim Chugunov
 David Cinege