tweak

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16927 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/esl/perl/ESL/Dispatch.pm

@@ -40,7 +40,7 @@ sub set_callback($;$$) {
   $self->{_callback}->{$event} = shift;
 }
 
-sub render_event($;$$) {
+sub render_event($;$) {
   my $self = shift;
   my $event = shift;
   my $h = $event->firstHeader();