update for trac #200

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@2160 e5f2f494-b856-4b98-b285-d166d9295462

ChangeLog

+  57.	[func]		jinmei
+	lib/datasrc: used a simpler version of Name::split (change 31) for
+	better readability.  No behavior change. (Trac #200, svn r2159)
+
   56.	[func]*		jinmei
 	lib/dns: renamed the library name to libdns++ to avoid confusion
 	with the same name of library of BIND 9.