Reset scan_ongoing flag if scan is canceled

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant.c b/wpa_supplicant.c
index aabef73..1f8dc80 100644
--- a/wpa_supplicant.c
+++ b/wpa_supplicant.c
@@ -534,6 +534,7 @@
 {
 	wpa_msg(wpa_s, MSG_DEBUG, "Cancelling scan request");
 	eloop_cancel_timeout(wpa_supplicant_scan, wpa_s, NULL);
+	wpa_s->scan_ongoing = 0;
 }