Add CHANGES note for [GL !5440]

diff --git a/CHANGES b/CHANGES
index f527025ed960890bfa1e35ed393549e2394adc19..a777a0500e3b8cbab29d7e07e19afd5fec90ebab 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+5721.  [func]          New isc_mem_reget() realloc-like function was
+                       introduced into the libisc API, and zero-sized
+                       allocations now return non-NULL pointers. [GL !5440]
+
 5720.  [contrib]       Remove old-style DLZ drivers that had to be enabled
                        during compile time. [GL #2814]