[master] Fixed warning

src/bin/dhcp6/ctrl_dhcp6_srv.cc

@@ -492,9 +492,6 @@ ControlledDhcpv6Srv::checkConfig(isc::data::ConstElementPtr config) {
  
     ControlledDhcpv6Srv* srv = ControlledDhcpv6Srv::getInstance();
  
-    // Single stream instance used in all error clauses
-    std::ostringstream err;
- 
     if (!srv) {
         ConstElementPtr no_srv = isc::config::createAnswer(1,
             "Server object not initialized, can't process config.");

src/lib/process/d_controller.cc

@@ -529,7 +529,7 @@ DControllerBase::configTestHandler(const std::string&, ConstElementPtr args) {
 }
 
 ConstElementPtr
-DControllerBase::versionGetHandler(const std::string&, ConstElementPtr args) {
+DControllerBase::versionGetHandler(const std::string&, ConstElementPtr) {
     ConstElementPtr answer;
 
     // For version-get put the extended version in arguments