Gyu-Ho Lee 445ff6970b store: fix to 'go vet' errors
This check has been introduced to go tip [1]. Just fixes by calling
the Index method.

[1]: 0f89efa255
2016-01-30 17:53:58 -08:00
..
2015-11-17 20:54:10 -08:00
2016-01-30 17:53:58 -08:00
2015-02-28 11:46:21 -08:00
2015-07-07 16:01:51 +01:00