Fix polymorphic exception captures

Author: glpuga

vesc_driver/src/vesc_device_uuid_lookup.cpp

@@ -40,7 +40,7 @@ VescDeviceLookup::VescDeviceLookup(std::string name)
   try {
     vesc_.connect(device_);
     vesc_.requestFWVersion();
-  } catch (SerialException e) {
+  } catch (SerialException &e) {
     std::cerr << "VESC error on port " << device_ << std::endl << e.what() << std::endl;
     return;
   }

vesc_driver/src/vesc_driver.cpp

@@ -71,7 +71,7 @@ VescDriver::VescDriver(const rclcpp::NodeOptions & options)
   // attempt to connect to the serial port
   try {
     vesc_.connect(port);
-  } catch (SerialException e) {
+  } catch (SerialException &e) {
     RCLCPP_FATAL(get_logger(), "Failed to connect to the VESC, %s.", e.what());
     rclcpp::shutdown();
     return;