travis update

.travis.yml

@@ -1,4 +1,4 @@
-sudo: false
+sudo: true
 language: node_js
 node_js:
 - '9.9.0'
@@ -8,6 +8,8 @@ before_deploy:
   - sudo apt-get update -q
   - sudo apt-get install -y wine1.7
   - cd app
+  - npm install electron-builder -g
+  - npm install
   - npm run build:win
 after_success:
 - cd build && mv "TheDesk *.*.* .exe" TheDesk.exe && cd ../