Travis: add sudio to Teensyduino install

Author: chipaudette

.travis.yml

@@ -9,7 +9,7 @@ before_install:
   - sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino
   - wget https://www.pjrc.com/teensy/td_136/TeensyduinoInstall.linux64
   - sudo chmod 755 TeensyduinoInstall.linux64
-  - TeensyduinoInstall.linux64
+  - sudo TeensyduinoInstall.linux64
 install:
   - ln -s $PWD /usr/local/share/arduino/libraries/OpenAudio_ArduinoLibrary
   - arduino --install-library "Audio"