change to size_t to match function returns
change to size_t to match function returns

Yubico/yubikey-personalization-dpkg,dmitriykuptsov/yubikey-personalization,eworm-de/yubikey-personalization,dmitriykuptsov/yubikey-personalization,dmitriykuptsov/yubikey-personalization,eworm-de/yubikey-personalization,eworm-de/yubikey-personalization,Yubico/yubikey-personalization-dpkg,Yubico/yubikey-personalization-dpkg,Yubico/yubikey-personalization,Yubico/yubikey-personalization