Updated Travis config to Xcode 9.0

Bogdan Evsenev · Bogdan Evsenev · commit c3f24fa7957c · 2017-09-21T10:55:02.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode8.3
+osx_image: xcode9.0
 sudo: false
 rvm:
   - 2.3
