bgscan_simple: Fix short_scan_count comparison

Previously, the check was done after we reached the maximum and another
scan was already triggered.

While at it, remove an irrelevant comment that the previous change in
the logic here missed.

Signed-off-by: Beni Lev <beni.lev@intel.com>

wpa_supplicant/bgscan_simple.c

@@ -56,12 +56,7 @@ static void bgscan_simple_timeout(void *eloop_ctx, void *timeout_ctx)
 	} else {
 		if (data->scan_interval == data->short_interval) {
 			data->short_scan_count++;
-			/*
-			 * Spend at most the duration of a long scan interval
-			 * scanning at the short scan interval. After that,
-			 * revert to the long scan interval.
-			 */
-			if (data->short_scan_count > data->max_short_scans) {
+			if (data->short_scan_count >= data->max_short_scans) {
 				data->scan_interval = data->long_interval;
 				wpa_printf(MSG_DEBUG, "bgscan simple: Backing "
 					   "off to long scan interval");