P2P: Fix p2p_cancel to return success if GO Negotiation is stopped

If a GO Negotiation peer is found, wpas_p2p_stop_find() stops the
negotiation and p2p_cancel can return success.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

wpa_supplicant/p2p_supplicant.c

@@ -4337,6 +4337,7 @@ int wpas_p2p_cancel(struct wpa_supplicant *wpa_s)
 		wpa_printf(MSG_DEBUG, "P2P: Unauthorize pending GO Neg peer "
 			   MACSTR, MAC2STR(peer));
 		p2p_unauthorize(global->p2p, peer);
+		found = 1;
 	}
 
 	wpas_p2p_stop_find(wpa_s);