Tesseract and Leptonica

[mantielero]

Thanks @giaco.

Now I get:
    
    
    
/home/jose/.nimble/pkgs2/futhark-0.12.2-cd781cfc8519fb2353979af90972e6749ab5a3ac/futhark.nim(212,
 10) Error: Unknown kind in findAlias: {"kind":"invalid","value":"???"}
    
    
    Run