[elpa] externals-release/org updated (a3b6728 -> f5b2972)

[ELPA Syncer]

elpasync pushed a change to branch externals-release/org.

      from  a3b6728   lisp/ob-julia.el: Use lexical-binding
       new  efa498b   lisp/ob-julia.el: Backport modifications from Emacs 
b5e3cc3
       new  f5b2972   lisp/ox-koma-letter.el: Backport Emacs commit a5b761ec


Summary of changes:
 lisp/ob-julia.el       | 43 ++++++++++++++++++++-----------------------
 lisp/ox-koma-letter.el | 26 +-------------------------
 2 files changed, 21 insertions(+), 48 deletions(-)