[master] Added a ChangeLog entry for #2157.

ChangeLog

@@ -4,7 +4,7 @@
 	dropped as it requires further spec design discussion.
 	(Trac #2154, Trac #2155,
 	             git 61d7c3959eb991b22bc1c0ef8f4ecb96b65d9325)
-	(Trac #2157, git TBD)
+	(Trac #2157, git e653adac032f871cbd66cd500c37407a56d14589)
 
 bind10-1.0.0-rc released on February 14, 2013