use addons

diff --git a/.travis.yml b/.travis.yml
index 11c2240..59c77da 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,9 @@
 language: c
 
-install:
-- sudo apt-get update; sudo apt-get install nkf
+addons:
+  apt:
+    packages:
+    - nkf
 
 script:
 - find . -type f |xargs nkf -e --overwrite