correct copy/paste error

kamailio/dispatcher-role.cfg

@@ -63,6 +63,7 @@ route[DISPATCHER_REORDER_ROUTES]
 {
     $var(i) = 0;
     $var(found) = 0;
+    $var(prefered_route) = $sht(associations=>$var(association));
     while($(avp(ds_dst)[$var(i)]) != $null) {
         if($(avp(ds_dst)[$var(i)]) != $var(prefered_route)) {
             $avp(tmp_ds_dst) = $(avp(ds_dst)[$var(i)]);
@@ -91,7 +92,7 @@ route[DISPATCHER_REORDER_ROUTES]
     } else {
         xlog("L_INFO", "$ci|log|associated media server is inactive, moving to $rd");
 
-        $sht(associations=>$var(contact_uri)) = $null;
+        $sht(associations=>$var(association)) = $null;
     }
 }