Add CHANGES note for [GL #4306]

diff --git a/CHANGES b/CHANGES
index be320c0f6191e6e6c222aefe72ed2060ea067164..66981c52927c8e3eebcf8206ecd69747407a91b3 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+6247.  [func]          Implement incremental hashing in both isc_siphash
+                       and isc_hash units. [GL #4306]
+
 6246.  [placeholder]
 
 6245.  [placeholder]