fix initialization of simple client

tools/simpleclient.cpp

@@ -66,16 +66,19 @@ int main(int argc, const char *argv[])
     {
         std::string ip_address;
         int ip_port, requested_thread_num;
-        bool use_shared_memory = false, trial = false;
+        bool use_shared_memory = false, trial_run = false;
         ServerPaths server_paths;
-        if (!GenerateServerProgramOptions(argc,
+
+        const unsigned init_result = GenerateServerProgramOptions(argc,
                                                                   argv,
                                                                   server_paths,
                                                                   ip_address,
                                                                   ip_port,
                                                                   requested_thread_num,
                                                                   use_shared_memory,
-                                          trial))
+                                                                  trial_run);
+
+        if (init_result == INIT_FAILED)
         {
             return 0;
         }