eap: Use pen_t instead of uint32_t for vendor ID

src/libcharon/plugins/eap_sim/eap_sim_peer.c

@@ -651,7 +651,7 @@ METHOD(eap_method_t, initiate, status_t,
 }
 
 METHOD(eap_method_t, get_type, eap_type_t,
-	private_eap_sim_peer_t *this, uint32_t *vendor)
+	private_eap_sim_peer_t *this, pen_t *vendor)
 {
 	*vendor = 0;
 	return EAP_SIM;

src/libcharon/plugins/eap_sim/eap_sim_server.c

@@ -552,7 +552,7 @@ METHOD(eap_method_t, process, status_t,
 }
 
 METHOD(eap_method_t, get_type, eap_type_t,
-	private_eap_sim_server_t *this, uint32_t *vendor)
+	private_eap_sim_server_t *this, pen_t *vendor)
 {
 	*vendor = 0;
 	return EAP_SIM;