[master] Fix ChangeLog formatting

ChangeLog

@@ -4,7 +4,7 @@
 	the logic required to remove forward and reverse DNS entries as described
 	in RFC 4703, section 5.5. This includes the ability to construct the
 	necessary DNS requests.
-	(trac# 3088     git ca58ac00fce4cb5f46e534d7ffadb2db4e4ffaf3)
+	(Trac# 3088, git ca58ac00fce4cb5f46e534d7ffadb2db4e4ffaf3)
 
 719.	[func]		tomek
 	b10-dhcp4: Support for sending back client-id (RFC6842) has been