[elpa] externals/diff-hl updated (354171f9aa -> 9c4bc17830)

[ELPA Syncer]

elpasync pushed a change to branch externals/diff-hl.

      from  354171f9aa Correct the docstring
       new  244eb6b31a Use an explicit autoload form
       new  9c4bc17830 Ensure the margin is shown when we use it, and allow to 
hide it after


Summary of changes:
 diff-hl-margin.el |  9 ++++++++-
 diff-hl.el        | 22 +++++++++++++++++++++-
 2 files changed, 29 insertions(+), 2 deletions(-)