master 3495cef: Avoid using subr-x function

[Lars Ingebrigtsen]

branch: master
commit 3495cefcf67e508152097a53e6505f214e46fa9e
Author: Lars Ingebrigtsen <address@hidden>
Commit: Lars Ingebrigtsen <address@hidden>

    Avoid using subr-x function
    
    * lisp/vc/vc-hg.el (vc-hg-retrieve-tag): Avoid using subr-x
    function (bug#38216).
---
 lisp/vc/vc-hg.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/vc/vc-hg.el b/lisp/vc/vc-hg.el
index 48a7838..6ecf9fb 100644
--- a/lisp/vc/vc-hg.el
+++ b/lisp/vc/vc-hg.el
@@ -578,7 +578,8 @@ Optional arg REVISION is a revision to annotate from."
 (defun vc-hg-retrieve-tag (dir name _update)
   "Retrieve the version tagged by NAME of all registered files at or below 
DIR."
   (let ((default-directory dir))
-    (vc-hg-command nil 0 nil "update" (unless (string-empty-p name) name))
+    (vc-hg-command nil 0 nil "update" (and (not (equal name ""))
+                                           name))
     ;; TODO: update *vc-change-log* buffer so can see @ if --graph
     ))