File _patchinfo of Package patchinfo.539

<patchinfo incident="539">
  <packager>vitezslav_cizek</packager>
  <issue tracker="bnc" id="599856"></issue>
  <category>recommended</category>
  <rating>low</rating>
  <summary>atftp: fix race condition between threads</summary>
  <description>This update of atftpd fixes a race condition where two server threads pick up a single client, which causes the transported file being overwritten
  (bnc#599856)</description>
</patchinfo>