[gegl] (12 commits) ...don't leak "root" symbol (#642992)

[Nils Philippsen]

Summary of changes:

  8d9c722... Initialize branch F-12 for gegl (*)
  fc4839d... Fix typo that causes a failure to update the common directo (*)
  5308c7b... Initialize branch F-13 for gegl (*)
  8b70ac5... avoid buffer overflow in gegl_buffer_header_init() correct  (*)
  096f6d7... bump release (*)
  7d9f28e... ignore make check failures for now (*)
  f932806... build with -fno-strict-aliasing use PIC/PIE because gegl is (*)
  bc6aefc... dist-git conversion (*)
  1227ed4... dist-git conversion (*)
  f98e9f8... Merge branch 'f13'
  07dabae... Merge branch 'f12'
  76c6968... don't leak "root" symbol (#642992)

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