Add emacs mode tag.

www/aptui/announcement.ajax

 <?php
 #
-# Copyright (c) 2000-2016 University of Utah and the Flux Group.
+# Copyright (c) 2000-2017 University of Utah and the Flux Group.
 # 
 # {{{EMULAB-LICENSE
 # 
@@ -56,3 +56,8 @@ function Do_Click()
     DBQueryWarn('update apt_announcement_info set clicked=1 where aid="'.$aid.'" and uid_idx="'.$uid_idx.'"', $dblink);
   }
 }
+
+# Local Variables:
+# mode:php
+# End:
+?>