hostapd: fix incorrect service name

When retrieving the PID for hostapd and wpa_supplicant via ubus the
wrong service name is currently used. This leads to the following error
in the log:

netifd: radio0 (1409): WARNING (wireless_add_process):
executable path /usr/sbin/wpad does not match process  path (/proc/exe)

Fixing the service name retrieves the correct PID and therefore the
warning won't occur.

Signed-off-by: David Bauer <mail@david-bauer.net>

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

@@ -993,7 +993,7 @@ drv_mac80211_setup() {
 			add_ap=1
 			ubus wait_for hostapd
 			ubus call hostapd config_add "{\"iface\":\"$primary_ap\", \"config\":\"${hostapd_conf_file}\"}"
-			local hostapd_pid=$(ubus call service list '{"name": "hostapd"}' | jsonfilter -l 1 -e "@['hostapd'].instances['hostapd'].pid")
+			local hostapd_pid=$(ubus call service list '{"name": "wpad"}' | jsonfilter -l 1 -e "@['wpad'].instances['hostapd'].pid")
 			wireless_add_process "$hostapd_pid" "/usr/sbin/hostapd" 1
 		fi
 		ret="$?"

package/network/services/hostapd/files/hostapd.sh

@@ -1125,7 +1125,7 @@ wpa_supplicant_run() {
 
 	[ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
 
-	local supplicant_pid=$(ubus call service list '{"name": "hostapd"}' | jsonfilter -l 1 -e "@['hostapd'].instances['supplicant'].pid")
+	local supplicant_pid=$(ubus call service list '{"name": "wpad"}' | jsonfilter -l 1 -e "@['wpad'].instances['supplicant'].pid")
 	wireless_add_process "$supplicant_pid" "/usr/sbin/wpa_supplicant" 1
 
 	return $ret