frek818

Control.Arrow
=============
  "compose/arr"   forall f g .
                  (arr f) . (arr g) = arr (f . g)
  "first/arr"     forall f .
                  first (arr f) = arr (first f)
  "second/arr"    forall f .
                  second (arr f) = arr (second f)
  "product/arr"   forall f g .
                  arr f *** arr g = arr (f *** g)

frek818

diff --git a/src/include/switch_channel.h b/src/include/switch_channel.h
index f4655a2..be4eff4 100644
--- a/src/include/switch_channel.h
+++ b/src/include/switch_channel.h
@@ -548,7 +548,7 @@ SWITCH_DECLARE(switch_size_t) switch_channel_has_dtmf(_In_ switch_channel_t *cha
   \param dtmf digit
   \return SWITCH_STATUS_SUCCESS if successful
 */
-SWITCH_DECLARE(switch_status_t) switch_channel_queue_dtmf(_In_ switch_channel_t *channel, _In_ const switch_dtmf_t *dtmf);
+SWITCH_DECLARE(switch_status_t) switch_channel_queue_dtmf(_In_ switch_channel_t *channel, _In_ switch_dtmf_t *dtmf);