Fix syntax

kamailio/pusher-role.cfg

@@ -12,7 +12,7 @@ route[PUSHER_ROUTE]
     if ( (!is_method("INVITE")) || (!isflagset(FLAG_INTERNALLY_SOURCED)) || $hdr(X-KAZOO-PUSHER-Token-ID) == $null)
        return;
 
-    if(registered("location") && $hdr(X-KAZOO-PUSHER-Simultaneous-Push-and-Invite) == null) {
+    if(registered("location") && $hdr(X-KAZOO-PUSHER-Simultaneous-Push-and-Invite) == $null) {
        return;
     }