[nongnu] elpa/dockerfile-mode 8135740bfc: Make sure to quote font-lock-keyword-face

[ELPA Syncer]

branch: elpa/dockerfile-mode
commit 8135740bfc6ad96ab82d39d9fe68dbce56180f4c
Author: Konstantin Kharlamov <hi-an...@yandex.ru>
Commit: Drew Csillag <d...@thecsillags.com>

    Make sure to quote font-lock-keyword-face
    
    Fixes a warning:
    
          dockerfile-mode.el:121:12: Warning: ‘font-lock-keyword-face’ is an 
obsolete variable (as of 31.1); use the quoted symbol instead: 
'font-lock-keyword-face
---
 dockerfile-mode.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dockerfile-mode.el b/dockerfile-mode.el
index 52517afe58..88f905a02b 100644
--- a/dockerfile-mode.el
+++ b/dockerfile-mode.el
@@ -118,7 +118,7 @@ It is supported from docker 18.09"
                           "add" "copy" "entrypoint" "volume" "user" "workdir" 
"onbuild"
                           "label" "stopsignal" "shell" "healthcheck"))
                word-boundary)
-           font-lock-keyword-face)
+           'font-lock-keyword-face)
     (,dockerfile--from-regex
      (1 'dockerfile-image-name)
      (2 'dockerfile-image-alias nil t))