Modifying travis file to use xcode9

dk-bbuono · hamchapman · commit a11de83b6815 · 2017-09-14T11:33:09.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode8
+osx_image: xcode9
 sudo: false
 env:
   - iOS= DST='platform=iOS Simulator,name=iPhone 6S' ACTION=test DEVICE='iPhone 6s (10.0)'
