[elpa] externals/diff-hl ccf89ec 02/25: Fix #128

[Dmitry Gutov]

branch: externals/diff-hl
commit ccf89ec8eef189f8191622cf30867c526d1174d7
Author: Dmitry Gutov <dgutov@yandex.ru>
Commit: Dmitry Gutov <dgutov@yandex.ru>

    Fix #128
---
 diff-hl-margin.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/diff-hl-margin.el b/diff-hl-margin.el
index dfc1928..e3fd9c8 100644
--- a/diff-hl-margin.el
+++ b/diff-hl-margin.el
@@ -112,8 +112,9 @@ You probably shouldn't use this function directly."
           (set (make-local-variable 'diff-hl-highlight-function)
                'diff-hl-highlight-on-margin)
           (set width-var 1))
-      (setq diff-hl-highlight-function diff-hl-margin-old-highlight-function
-            diff-hl-margin-old-highlight-function nil)
+      (when diff-hl-margin-old-highlight-function
+        (setq diff-hl-highlight-function diff-hl-margin-old-highlight-function
+              diff-hl-margin-old-highlight-function nil))
       (set width-var 0)))
   (dolist (win (get-buffer-window-list))
     (set-window-buffer win (current-buffer))))