org-compat: Use different font-lock-ensure alias

* lisp/org-compat.el (org-font-lock-ensure): Remove in favor of
  font-lock-ensure alias from dcbaebc.

Instead of org-font-lock-ensure alias introduced in dcbaebc ("Backport
commit 6711a21 from Emacs master branch", 2014-05-28), use
font-lock-ensure alias added in e6883dd ("org-compat: Provide
compatibility definition for font-lock-ensure", 2014-06-01).

lisp/org-clock.el

@@ -1929,7 +1929,7 @@ fontified, and then returned."
     (org-mode)
     (org-create-dblock props)
     (org-update-dblock)
-    (org-font-lock-ensure)
+    (font-lock-ensure)
     (forward-line 2)
     (buffer-substring (point) (progn
 				(re-search-forward "^[ \t]*#\\+END" nil t)

lisp/org-compat.el

@@ -418,6 +418,10 @@ Pass BUFFER to the XEmacs version of `move-to-column'."
 (unless (fboundp 'user-error)
   (defalias 'user-error 'error))
 
+;; `font-lock-ensure' is only available from 24.4.50 on
+(unless (fboundp 'font-lock-ensure)
+  (defalias 'font-lock-ensure 'font-lock-fontify-buffer))
+
 (defmacro org-no-popups (&rest body)
   "Suppress popup windows.
 Let-bind some variables to nil around BODY to achieve the desired
@@ -474,11 +478,6 @@ LIMIT."
 	      (looking-at (concat "\\(?:"  regexp "\\)\\'")))))
       (not (null pos)))))
 
-(defalias 'org-font-lock-ensure
-  (if (fboundp 'org-font-lock-ensure)
-      #'font-lock-ensure
-    (lambda (_beg _end) (font-lock-fontify-buffer))))
-
 (defun org-floor* (x &optional y)
   "Return a list of the floor of X and the fractional part of X.
 With two arguments, return floor and remainder of their quotient."

lisp/org-src.el

@@ -921,7 +921,7 @@ fontification of code blocks see `org-src-fontify-block' and
 	    (delete-region (point-min) (point-max))
 	    (insert string " ") ;; so there's a final property change
 	    (unless (eq major-mode lang-mode) (funcall lang-mode))
-            (org-font-lock-ensure)
+            (font-lock-ensure)
 	    (setq pos (point-min))
 	    (while (setq next (next-single-property-change pos 'face))
 	      (put-text-property

lisp/org.el

@@ -6371,7 +6371,7 @@ needs to be inserted at a specific position in the font-lock sequence.")
     (insert s)
     (let ((org-odd-levels-only odd-levels))
       (org-mode)
-      (org-font-lock-ensure)
+      (font-lock-ensure)
       (buffer-string))))
 
 (defvar org-m nil)

lisp/ox-html.el

@@ -1855,7 +1855,7 @@ is the language used for CODE, as a string, or nil."
 		       (funcall lang-mode)
 		       (insert code)
 		       ;; Fontify buffer.
-		       (org-font-lock-ensure)
+		       (font-lock-ensure)
 		       ;; Remove formatting on newline characters.
 		       (save-excursion
 			 (let ((beg (point-min))

lisp/ox-odt.el

@@ -3139,7 +3139,7 @@ and prefix with \"OrgSrc\".  For example,
 		 (with-temp-buffer
 		   (insert code)
 		   (funcall lang-mode)
-		   (org-font-lock-ensure)
+		   (font-lock-ensure)
 		   (buffer-string))))
 	 (fontifier (if use-htmlfontify-p 'org-odt-htmlfontify-string
 		      'org-odt--encode-plain-text))

lisp/ox-org.el

@@ -254,7 +254,7 @@ Return output file name."
 	   (work-buffer (or visitingp (find-file-noselect filename)))
 	   newbuf)
       (with-current-buffer work-buffer
-        (org-font-lock-ensure)
+        (font-lock-ensure)
         (show-all)
         (org-show-block-all)
         (setq newbuf (htmlize-buffer)))