Description of problem:

Source0 line in lftp.spec should be sort of `ftp://ftp.yar.ru/pub/source/%{name}/%{name}-%{version}.tar.xz'. Currently it points to non-existent location.

Version-Release number of selected component (if applicable):
lftp-4.5.4-1

How reproducible:
Always

Steps to Reproduce:
1. wget -qO- 'http://pkgs.fedoraproject.org/cgit/lftp.git/plain/lftp.spec?h=f20' | spectool -S -g -

Actual results:
Getting ftp://ftp.yar.ru/lftp/lftp-4.5.4.tar.xz to ./lftp-4.5.4.tar.xz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (9) Server denied you to change to the given directory

Expected results:
lftp-4.5.4.tar.xz downloaded to current directory