Fix #3328

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/ChangeLog.d/error-asn1.txt b/ChangeLog.d/error-asn1.txt
new file mode 100644
index 0000000..c165696
--- /dev/null
+++ b/ChangeLog.d/error-asn1.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Include asn1.h in error.c. Fixes #3328 reported by David Hu.