.travis.yml in milkode-1.6.1 vs .travis.yml in milkode-1.7.0

@@ -10,6 +10,6 @@
   # - 1.8.7
   - 1.9.3
   - 2.0.0
 
 before_install:
-  - curl https://raw.github.com/groonga/groonga/master/data/travis/setup.sh | sh
\ No newline at end of file
+  - curl --silent --location https://github.com/groonga/groonga/raw/master/data/travis/setup.sh | sh