Fix two compiler warnings.

lisp/org-colview.el

@@ -33,6 +33,7 @@
 
 (declare-function org-agenda-redo "org-agenda" ())
 (declare-function org-agenda-do-context-action "org-agenda" ())
+(declare-function org-clock-sum-today "org-clock" (&optional headline-filter))
 
 (when (featurep 'xemacs)
   (error "Do not load this file into XEmacs, use 'org-colview-xemacs.el'."))

lisp/org-icalendar.el

@@ -326,7 +326,7 @@ When COMBINE is non nil, add the category to each line."
 	      "DTSTART"))
 	hd ts ts2 state status (inc t) pos b sexp rrule
 	scheduledp deadlinep todo prefix due start tags
-	tmp pri categories location summary desc uid alarm
+	tmp pri categories location summary desc uid alarm alarm-time
 	(sexp-buffer (get-buffer-create "*ical-tmp*")))
     (org-refresh-category-properties)
     (save-excursion