fix syntax error of travis config

.travis.yml

@@ -14,9 +14,9 @@ install:
   ; fi
 script:
 - if [ -n "$OSS_TEST_ACCESS_KEY_ID" ]; then
-    cd oss
-    travis_wait 30 go test -v -covermode=count -coverprofile=coverage.out -timeout=30m
-    $HOME/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci
+    cd oss;
+    travis_wait 30 go test -v -covermode=count -coverprofile=coverage.out -timeout=30m;
+    $HOME/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci;
   fi
 env:
   global: