Update the list of issues fixed

This had actually been reported multiple times.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/ChangeLog.d/muladdc-amd64-memory.txt b/ChangeLog.d/muladdc-amd64-memory.txt
index 1803e42..b834331 100644
--- a/ChangeLog.d/muladdc-amd64-memory.txt
+++ b/ChangeLog.d/muladdc-amd64-memory.txt
@@ -1,3 +1,4 @@
 Bugfix
    * Fix missing constraints on x86_64 assembly code for bignum multiplication
-     that broke some bignum operations with (at least) Clang 12. Fixes #4786.
+     that broke some bignum operations with (at least) Clang 12.
+     Fixes #4116, #4786, #4917.