(main): check return value from des_read_pw_string
(main): check return value from des_read_pw_string


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@6966 ec53bebd-3082-4978-b11e-865c3cabbd6b

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal