Abort ongoing scans on FLUSH command

This may speed up some hwsim test case sequencies by avoiding a wait for
a scan at the end of a test case to complete.

Signed-off-by: Jouni Malinen <j@w1.fi>

wpa_supplicant/ctrl_iface.c

@@ -6862,6 +6862,8 @@ static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
 
 	wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
 
+	wpas_abort_ongoing_scan(wpa_s);
+
 #ifdef CONFIG_P2P
 	wpas_p2p_cancel(p2p_wpa_s);
 	p2p_ctrl_flush(p2p_wpa_s);