Fixed incorrect travis dir

.travis.yml

@@ -19,13 +19,12 @@ before_install:
   - arduino --pref "boardsmanager.additional.urls=http://arduino.esp8266.com/stable/package_esp8266com_index.json,https://dl.espressif.com/dl/package_esp32_index.json" --save-prefs 2>&1
   - arduino --install-boards esp8266:esp8266
   - arduino --install-boards esp32:esp32
-  
-  - cd examples
 install:
   - mkdir -p $HOME/Arduino/libraries
   - ln -s $PWD $HOME/Arduino/libraries/KiteLib
 script:
   # build all example sketches
+  - cd examples
   - for d in */ ; do
       arduino --verify --board $BOARD $PWD/${d%/}/${d%/}.ino;
     done