Fix formatting of RunServer params.

test/cpp/interop/interop_server.cc

@@ -321,8 +321,7 @@ void grpc::testing::interop::RunServer(
 }
 
 void grpc::testing::interop::RunServer(
-    std::shared_ptr<ServerCredentials> creds,
+    std::shared_ptr<ServerCredentials> creds, const int port,
-    const int port,
     ServerStartedCondition *server_started_condition) {
   GPR_ASSERT(port != 0);
   std::ostringstream server_address;

test/cpp/interop/server_helper.h

@@ -69,8 +69,7 @@ void RunServer(std::shared_ptr<ServerCredentials> creds);
 /// \param port Port to use for the server.
 /// \param server_started_condition (optional) Struct holding mutex, condition
 ///     variable, and condition used to notify when the server has started.
-void RunServer(std::shared_ptr<ServerCredentials> creds,
+void RunServer(std::shared_ptr<ServerCredentials> creds, int port,
-               int port,
                ServerStartedCondition *server_started_condition);
 
 }  // namespace interop