[elpa] externals/diff-hl updated (8dc486f568 -> 685ea2d506)

[ELPA Syncer]

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

      from  8dc486f568 Fix b-c warnings
       new  6b22baee87 Bump copyright year in diff-hl-show-hunk.el
       new  77ee4ef7e1 diff-hl--when-done: New function
       new  dee6a72412 diff-hl--when-done: Make sure to avoid running callback 
when process killed
       new  685ea2d506 Merge branch 'specialized-run-delayed'


Summary of changes:
 diff-hl-show-hunk.el |  2 +-
 diff-hl.el           | 28 +++++++++++++++++++++++++---
 2 files changed, 26 insertions(+), 4 deletions(-)