Cancel pending scan request on DISCONNECT command

Previously, a pending scan request could be left running when processing
DISCONNECT command from control interface. This can result in unexpected
scan, so cancel the request to avoid this.

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

wpa_supplicant/ctrl_iface.c

@@ -4242,6 +4242,7 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 		wpa_s->reassociate = 0;
 		wpa_s->disconnected = 1;
 		wpa_supplicant_cancel_sched_scan(wpa_s);
+		wpa_supplicant_cancel_scan(wpa_s);
 		wpa_supplicant_deauthenticate(wpa_s,
 					      WLAN_REASON_DEAUTH_LEAVING);
 	} else if (os_strcmp(buf, "SCAN") == 0) {