[O] [PATCH] fix compiler warning in org-footnote.el for not known to be defined function org-combine-plists defined in org.el but not declared in org-footnote.el

[Matthew Sauer]

diff --git a/lisp/org-footnote.el b/lisp/org-footnote.el
index 03e6369..3a30575 100644
--- a/lisp/org-footnote.el
+++ b/lisp/org-footnote.el
@@ -54,6 +54,7 @@
 (declare-function org-fill-paragraph "org" (&optional justify))
 (declare-function org-export-preprocess-string "org-exp"
                  (string &rest parameters))
+(declare-function org-combine-plists "org" (&rest plists))
 (defvar org-odd-levels-only) ;; defined in org.el
 (defvar org-bracket-link-regexp) ; defined in org.el
 (defvar message-signature-separator) ;; defined in message.el