Fix redcarpet_bin_test for Windows
Fix redcarpet_bin_test for Windows

vmg/redcarpet,kaneshin/redcarpet,increments/greenmat,vmg/redcarpet,kaneshin/redcarpet,increments/greenmat,fukayatsu/redcarpet,kaneshin/redcarpet,kaneshin/redcarpet,vmg/redcarpet,fukayatsu/redcarpet,vmg/redcarpet,increments/greenmat,fukayatsu/redcarpet,increments/greenmat,fukayatsu/redcarpet