[elpa] externals/diff-hl updated (a0028d9 -> 89aeb2f)

[ELPA Syncer]

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

      from  a0028d9   Merge branch 'externals/diff-hl' of 
git+ssh://git.sv.gnu.org/srv/git/emacs/elpa
       new  8f4e413   Set reference rev in change log buffer
       new  4857fb1   Set reference rev globally
       new  ecd3a3e   fixup! more generalized diff-hl-set-reference-rev
       new  89aeb2f   Merge pull request #146 from 
AmaiKinono/generalize-amend-mode


Summary of changes:
 README.md        |  4 +++-
 diff-hl-amend.el |  2 +-
 diff-hl.el       | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+), 2 deletions(-)