A question about License for QR Code library

  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • strict warning: Only variables should be assigned by reference in /home/mwkoh/twit88.com/home/modules/links/links_related.module on line 204.
  • strict warning: Only variables should be assigned by reference in /home/mwkoh/twit88.com/home/modules/links/links_related.module on line 426.
  • strict warning: Only variables should be assigned by reference in /home/mwkoh/twit88.com/home/modules/links/links.inc on line 1121.
  • strict warning: Only variables should be assigned by reference in /home/mwkoh/twit88.com/home/modules/links/links.inc on line 1121.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.
  • : Function ereg() is deprecated in /home/mwkoh/twit88.com/home/includes/file.inc on line 647.

I have a simple question. If I use the QR library in a software that I want to sell without modifying the source code for QR Libbrary. What are the restriction I have to take care?