Fixes failure of datetime test for SQL Server. References #10073

git-svn-id: http://dev.rubyonrails.org/svn/rails/adapters/sqlserver@8074 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

Author: lawrence

lib/active_record/connection_adapters/sqlserver_adapter.rb

@@ -103,7 +103,7 @@ def cast_to_datetime(value)
         end
 
         if value.is_a?(DateTime)
-          return Time.mktime(value.year, value.mon, value.day, value.hour, value.min, value.sec)
+          return DateTime.new(value.year, value.mon, value.day, value.hour, value.min, value.sec)
         end
 
         return cast_to_time(value) if value.is_a?(Date) or value.is_a?(String) rescue nil