scrc: add FIXMEs about routing outgoing connection oriented msgs

When we receive local-out messages from SCOC into SCRC, they need to be
SCCP-encoded, routed and MTP3-encoded before they can be passed on.

Spotted by dialyzer.
diff --git a/src/sccp_scrc.erl b/src/sccp_scrc.erl
index 495f01a..15f6097 100644
--- a/src/sccp_scrc.erl
+++ b/src/sccp_scrc.erl
@@ -183,6 +183,7 @@
 		spec_name = request, parameters = Msg}, LoopDat) ->
 	% encode the actual SCCP message
 	EncMsg = sccp_codec:encode_sccp_msg(Msg),
+	% FIXME: routing and create_mtp3_out()
 	% generate a MTP-TRANSFER.req primitive to the lower layer
 	send_mtp_transfer_down(LoopDat, EncMsg),
 	{next_state, idle, LoopDat};
@@ -191,6 +192,7 @@
 		spec_name = confirm, parameters = Params}, LoopDat) ->
 	% encode the actual SCCP message
 	EncMsg = sccp_codec:encode_sccp_msgt(?SCCP_MSGT_CC, Params),
+	% FIXME: routing and create_mtp3_out()
 	% generate a MTP-TRANSFER.req primitive to the lower layer
 	send_mtp_transfer_down(LoopDat, EncMsg),
 	{next_state, idle, LoopDat};
@@ -201,6 +203,7 @@
 		spec_name = indication, parameters = Params}, LoopDat) ->
 	% encode the actual SCCP message
 	EncMsg = sccp_codec:encode_sccp_msgt(?SCCP_MSGT_CR, Params),
+	% FIXME: routing and create_mtp3_out()
 	% generate a MTP-TRANSFER.req primitive to the lower layer
 	send_mtp_transfer_down(LoopDat, EncMsg),
 	{next_state, idle, LoopDat}.