I found a small "bug" in the Freetype Tutorial. In the file freetype.cpp at Line 199 it should say

gluOrtho2D(viewport[0],viewport[2]+viewport[0],viewport[1],viewport[3]+viewport[1]);

instead of

gluOrtho2D(viewport[0],viewport[2],viewport[1],viewport[3]);

Thanks for the great Tutorial, Maddi