Keep compiler happy

lisp/org-exp.el

@@ -38,6 +38,7 @@
 (declare-function org-agenda-skip "org-agenda" ())
 (declare-function org-infojs-options-inbuffer-template "org-jsinfo" ())
 (declare-function org-export-htmlize-region-for-paste "org-html" (beg end))
+(declare-function htmlize-buffer "htmlize" (&optional buffer))
 
 (defgroup org-export nil
   "Options for exporting org-listings."