Update to production xcode8.1 image.

lorentey · lorentey · commit 4e702973456f · 2016-11-23T09:35:08.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode8.1sneakpeek
+osx_image: xcode8.1
 script:
 - xcrun xcodebuild -project SipHash.xcodeproj -scheme SipHash-macOS test
 - xcrun xcodebuild -project SipHash.xcodeproj -scheme SipHash-iOS
