Nehe trouble. Can someone figure this out

I don't quite get what's going on when I try to compile the Nehe
tutorial 17. I get a "Unable to convert from String to Byte Ptr" error.
By the way, I have a copy of tutorial 17 right here.

Can anyone figure this out?

glCallLists(phrase.length, GL_UNSIGNED_BYTE, phrase.tocstring() )

Ah, that's better. Thanks.