Commit bf2c1069a7 ("nl80211: add htmode to iwinfo_ops") increased
IWINFO_HTMODE_COUNT but left the size of the IWINFO_HTMODE_NAMES array
untouched, leading to a segmentation fault when trying to get the HT
modelist from Lua.
Add a dummy NOHT modestring to make the array size fit the size
declaration.
Fixes: bf2c1069a7 ("nl80211: add htmode to iwinfo_ops")
Signed-off-by: David Bauer <mail@david-bauer.net>
