Merge pull request #3420 from xpzouying/format_list_travis_yml

format list in .travis.yml

.travis.yml

@@ -50,7 +50,7 @@ before_script:
   - mkdir -p res/var
   - ./ssdb/ssdb-server ./ssdb/ssdb.conf -d
 after_script:
-  -killall -w ssdb-server
+  - killall -w ssdb-server
   - rm -rf ./res/var/*
 script:
   - go test -v ./...