Update travis osx image to 9.3
@@ -26,9 +26,11 @@ env:
matrix:
include:
- os: osx
+ osx_image: xcode9.3
compiler: gcc
env: MERCURY_BUILD_CONFIGURATION="RelWithDebInfo"
- os: osx
+ osx_image: xcode9.3
compiler: clang
env: MERCURY_BUILD_CONFIGURATION="RelWithDebInfo"
- os: linux
