Several variables in hostapd.sh can be used uninitialized in numerical
comparisons, causing errors in logread:
netifd: radio24 (1668): sh: out of range
Set defaults for those variables to silence those errors.
Fixes: b518f07d4b ("hostapd: remove ieee80211v option")
Fixes: cc80cf53c5 ("hostapd: add FTM responder support")
Fixes: e66bd0eb04 ("hostapd: make rrm report independent of ieee80211k setting")
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>