Update types.go
Update types.go

when store in database value is 2014-06-26 11:08:09.673, after query in golang the time.Time value will be 2014-06-26 11:08:09.673333333 +0000 UTC
justinyaoqi/go-mssqldb,courtf/go-mssqldb,NicheInc/go-mssqldb,XTXMarkets/go-mssqldb,bhcleek/go-mssqldb,colonyamerican/go-mssqldb,gaspardle/go-mssqldb,ArtemTeleshev/go-mssqldb,ajcrowe/go-mssqldb,denisenkom/go-mssqldb,sndnvaps/go-mssqldb