impl/memory: Fix time serialization encoding.

impl/memory/datastore_index_test.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package memory
 
 import (
         "sort"
         "testing"
         "time"
 
         ds "github.com/luci/gae/service/datastore"
         "github.com/luci/gae/service/datastore/serialize"
         "github.com/luci/gkvlite"
         . "github.com/smartystreets/goconvey/convey"
 )
 
 var fakeKey = key("parentKind", "sid", "knd", 10)
 
 var rgenComplexTime = time.Date(
         1986, time.October, 26, 1, 20, 00, 00, time.UTC)
 var rgenComplexKey = key("kind", "id")
-var rgenComplexTimeIdx = prop(rgenComplexTime).ForIndex()
+
+var _, rgenComplexTimeInt = prop(rgenComplexTime).IndexTypeAndValue()
+var rgenComplexTimeIdx = prop(rgenComplexTimeInt)
 
 var rowGenTestCases = []struct {
         name        string
         pmap        ds.PropertyMap
         withBuiltin bool
         idxs        []*ds.IndexDefinition
 
         // These are checked in TestIndexRowGen. nil to skip test case.
         expected []serialize.SerializedPslice
 
@@ skipping 340 matching lines @@
                                                 So(data[i], ShouldResemble, itm.Key)
                                                 i++
                                                 return true
                                         })
                                         So(i, ShouldEqual, len(data))
                                 }
                         })
                 }
         })
 }