reverting throw exception instead of raising SIGINT in order not to terminate cli_test early

src/rpc/cli.cpp

@@ -107,6 +107,11 @@ void cli::run()
       catch ( const fc::exception& e )
       {
          std::cout << e.to_detail_string() << "\n";
+
+         if (e.code() == fc::canceled_exception_code)
+         {
+            break;
+         }
       }
    }
 }