Update man link definition

* contrib/lisp/org-man.el ("man"):

Update to use org-link-set-parameters.

contrib/lisp/org-man.el

@@ -25,8 +25,10 @@
 
 (require 'org)
 
-(org-add-link-type "man" 'org-man-open 'org-man-export)
-(add-hook 'org-store-link-functions 'org-man-store-link)
+(org-link-set-parameters "man"
+			 :follow #'org-man-open
+			 :export #'org-man-export
+			 :store #'org-man-store-link)
 
 (defcustom org-man-command 'man
   "The Emacs command to be used to display a man page."