move custom icon folder setting to pre-settings

settings/pre-settings.el

@@ -43,6 +43,9 @@ Both Win32 and Cygwin count.")
        (if (require 'dbus) (dbus-ping :session "org.freedesktop.Notifications")))  ;; is not enough
   "Check if DBus is available.")
 
+;; add local icon folder to the image-load-path
+(add-to-list 'image-load-path (concat config-dir "icon/"))
+
 (use-package cus-edit
   :config
   (setq custom-buffer-done-kill t)