[nongnu] elpa/dockerfile-mode 58b7380189 090/104: fix define-obsolete-function-alias error in Emacs28

[ELPA Syncer]

branch: elpa/dockerfile-mode
commit 58b7380189de21496235382900838aa0db2dcf92
Author: madosuki <yurikasamaaikatsu@gmail.com>
Commit: Drew Csillag <drew@thecsillags.com>

    fix define-obsolete-function-alias error in Emacs28
---
 dockerfile-mode.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dockerfile-mode.el b/dockerfile-mode.el
index d80a936f1a..f48fac97c7 100644
--- a/dockerfile-mode.el
+++ b/dockerfile-mode.el
@@ -154,7 +154,7 @@ file name.  Otherwise, uses Emacs' standard conversion 
function."
 (defvar dockerfile-image-name nil
   "Name of the dockerfile currently being used.
 This can be set in file or directory-local variables.")
-(define-obsolete-variable-alias 'docker-image-name 'dockerfile-image-name)
+(define-obsolete-variable-alias 'docker-image-name 'dockerfile-image-name 
"2017-10-22")
 
 (defvar dockerfile-image-name-history nil
   "History of image names read by `dockerfile-read-image-name'.")