Fix the code error in log message print(function log_msg is used without definition), trivial fix, so skip review.

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@2047 e5f2f494-b856-4b98-b285-d166d9295462

src/bin/xfrout/xfrout.py.in

@@ -391,7 +391,7 @@ class XfroutServer:
     def command_handler(self, cmd, args):
         if cmd == "shutdown":
             if verbose_mode:
-                log_msg("Received shutdown command")
+                print("[b10-xfrout] Received shutdown command")
             self.shutdown()
             answer = create_answer(0)
         else: