mac80211: fix ad-hoc basic/multicast rate regression from r43782

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43853

package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh

@@ -517,11 +517,11 @@ mac80211_setup_adhoc() {
 
 	brstr=
 	for br in $basic_rate_list; do
-		hostapd_add_rate brstr "$br"
+		wpa_supplicant_add_rate brstr "$br"
 	done
 
 	mcval=
-	[ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
+	[ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 
 	case "$htmode" in
 		VHT20|HT20) ibss_htmode=HT20;;