hostapd: remove unused asprintf parameter

r45270 removed ieee80211n=%d from the format string but didn't remove
the parameter itself. Though this probably doesn't cause any harm, it's
quite confusing and unneeded.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

SVN-Revision: 45351

package/network/services/hostapd/patches/370-ap_sta_support.patch

@@ -85,7 +85,7 @@
 +
 +	hw_mode = ieee80211_freq_to_chan(bss->freq, &channel);
 +	if (asprintf(&cmd, "UPDATE channel=%d sec_chan=%d hw_mode=%d",
-+		     channel, sec_chan, hw_mode, !!bss->ht_capab) < 0)
++		     channel, sec_chan, hw_mode) < 0)
 +		return -1;
 +
 +	ret = wpa_ctrl_request(wpa_s->hostapd, cmd, os_strlen(cmd), buf, &len, NULL);