Add reference to another oss-fuzz bug report.
diff --git a/ChangeLog b/ChangeLog
index 1051a36..3b525ca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,7 @@
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19773
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18101
* src/sfnt/sfwoff2.c (compute_ULong_sum): Add missing cast.
(reconstruct_hmtx): Add missing deallocation calls.