Add CHANGES entry for GL #192

5016.   [cleanup]       Remove wrappers that try to fix broken or incomplete
                        implementations of IPv6, pthreads and other core
                        functionality required and used by BIND. [GL #192]

CHANGES

+5023.	[cleanup]	Remove wrappers that try to fix broken or incomplete
+			implementations of IPv6, pthreads and other core
+			functionality required and used by BIND. [GL #192]
+
 5022.	[doc]		Update ms-self, ms-subdomain, krb5-self, and
 			krb5-subdomain documentation. [GL !708]