chore(vendor): update json-iterator revison to fix TestRenderIndentedJSON failed (#1003)

* update json-iterator revison to fix TestRenderIndentedJSON failed

* fix(test): add space between key and value as same as standard JSON.

* fix(test): add space between key and value as same as standard JSON.

context_test.go

@@ -582,7 +582,7 @@ func TestContextRenderIndentedJSON(t *testing.T) {
 	c.IndentedJSON(201, H{"foo": "bar", "bar": "foo", "nested": H{"foo": "bar"}})
 
 	assert.Equal(t, w.Code, 201)
-	assert.Equal(t, "{\n    \"bar\":\"foo\",\n    \"foo\":\"bar\",\n    \"nested\":{\n        \"foo\":\"bar\"\n    }\n}", w.Body.String())
+	assert.Equal(t, "{\n    \"bar\": \"foo\",\n    \"foo\": \"bar\",\n    \"nested\": {\n        \"foo\": \"bar\"\n    }\n}", w.Body.String())
 	assert.Equal(t, "application/json; charset=utf-8", w.HeaderMap.Get("Content-Type"))
 }
 

vendor/vendor.json

@@ -34,10 +34,10 @@
 			"revisionTime": "2017-06-01T23:02:30Z"
 		},
 		{
-			"checksumSHA1": "YY//OXgGrJOsiR8Cz1xexk/zwkc=",
+			"checksumSHA1": "bgb/lk2wroBJ5z+JI2xnVj7WkwI=",
 			"path": "github.com/json-iterator/go",
-			"revision": "37ba1b32b5ed52dfaff0fe50d923d210c11c8daf",
-			"revisionTime": "2017-07-08T17:01:13Z"
+			"revision": "845d8438db34cc782608bbee7647a522b4e87de0",
+			"revisionTime": "2017-07-10T17:07:18Z"
 		},
 		{
 			"checksumSHA1": "9if9IBLsxkarJ804NPWAzgskIAk=",