move ClientSlot_t from fsm to client

this allows to reuse the client slot information in as client for
other rspro_utils methods
diff --git a/src/client.h b/src/client.h
index b4e4672..b772a20 100644
--- a/src/client.h
+++ b/src/client.h
@@ -42,6 +42,9 @@
 	uint16_t bankd_port;
 	struct ipa_client_conn *bankd_conn;
 	struct osmo_fsm_inst *bankd_fi;
+
+	/* client id and slot number */
+	ClientSlot_t *clslot;
 };
 
 void ipa_client_conn_send_rspro(struct ipa_client_conn *ipa, RsproPDU_t *rspro);
diff --git a/src/remsim_client_fsm.c b/src/remsim_client_fsm.c
index 2459a14..4fb57f3 100644
--- a/src/remsim_client_fsm.c
+++ b/src/remsim_client_fsm.c
@@ -92,8 +92,7 @@
 	RsproPDU_t *pdu;
 
 	/* FIXME: Send ClientConnReq */
-	const ClientSlot_t clslot = { .clientId = 23, .slotNr = 1 };
-	pdu = rspro_gen_ConnectClientReq(&bc->own_comp_id, &clslot);
+	pdu = rspro_gen_ConnectClientReq(&bc->own_comp_id, bc->clslot);
 	ipa_client_conn_send_rspro(bc->bankd_conn, pdu);
 }