Fix wallpaper.el build warning

* lisp/image/wallpaper.el (require): Fix build warning.

diff --git a/lisp/image/wallpaper.el b/lisp/image/wallpaper.el
index d997cb48d777fe943a4153073e3de189b4e184f9..4c90559183f6a5976f367867e447b943af546bbb 100644 (file)
--- a/lisp/image/wallpaper.el
+++ b/lisp/image/wallpaper.el
@@ -32,6 +32,8 @@
 
 ;;; Code:
 
+(eval-when-compile (require 'subr-x))
+
 (defcustom wallpaper-commands
   '(
     ;; Sway (Wayland)