Handle compiler warnings from Emacs master

* lisp/ob-core.el (org-babel-insert-result): Comment out unused `cond'
clause.  Still leave it there for readability of the logic.
* lisp/org.el (org-agenda-restrict-begin):
(org-agenda-restrict):
(org-agenda-restrict-end): Mark variables from org-agenda.

lisp/ob-core.el

@@ -2426,12 +2426,13 @@ INFO may provide the values of these header arguments (in the
 		  (delete-region (point) (org-babel-result-end)))
 		 ((member "append" result-params)
 		  (goto-char (org-babel-result-end)) (setq beg (point-marker)))
-		 ((member "prepend" result-params))) ; already there
+		 ;; ((member "prepend" result-params)) ; Do nothing.  Already there.
+                 )
 		(setq results-switches
 		      (if results-switches (concat " " results-switches) ""))
 		(let ((wrap
-		       (lambda (start finish &optional no-escape no-newlines
-				      inline-start inline-finish)
+		       (lambda ( start finish &optional no-escape no-newlines
+			    inline-start inline-finish)
 			 (when inline
 			   (setq start inline-start)
 			   (setq finish inline-finish)

lisp/org.el

@@ -18602,6 +18602,10 @@ block from point."
 	      (throw 'exit n)))))
       nil)))
 
+;; Defined in org-agenda.el
+(defvar org-agenda-restrict)
+(defvar org-agenda-restrict-begin)
+(defvar org-agenda-restrict-end)
 (defun org-occur-in-agenda-files (regexp &optional _nlines)
   "Call `multi-occur' with buffers for all agenda files."
   (interactive "sOrg-files matching: ")