[python-feedparser/f17] (2 commits) ...Update to 5.1.2 and its security fix (#787401).

[Michael Schwendt]

Summary of changes:

  864858f... execute feedparsertest.py now from current directory instea (*)
  3b2023c... Update to 5.1.2 and its security fix (#787401). (*)

(*) This commit already existed in another branch; no separate mail sent