removed unnecessary const's from declarations.

trivial cleanup, skipping review.


git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@2164 e5f2f494-b856-4b98-b285-d166d9295462

src/bin/auth/asio_link.h

@@ -24,8 +24,8 @@ struct IOServiceImpl;
 
 class IOService {
 public:
-    IOService(AuthSrv* auth_server, const char* port,
+    IOService(AuthSrv* auth_server, const char* port, bool use_ipv4,
-              const bool use_ipv4, const bool use_ipv6);
+              bool use_ipv6);
     ~IOService();
     void run();
     void stop();