Commit ca4a58f9f2085d2d0b9b5b658bd75cc8f8bc6ed8

brlcad 2010-05-12T16:24:45

pull in change from bzflag downstream, r20589 by brlcad, make sure our chars are all unsigned so we don't end up coercing a template instantiation to char where we start spitting out negative values.