* legacy_64:
  Fix up line count.
  Update po/*.po for 6.4.1, complete de translation.
  Regression fix for realpath() buffer.
  Do not unlink release notes from autobuild/README.
  Cheat release note generator to include 6.4.0 notes in 6.4.1.
  Update website for 6.4.1.
  6.4.1, regression fix for default file locations.