This fixes:
CVE-2019-11555 "EAP-pwd message reassembly issue with unexpected fragment"
https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt
This should not affect OpenWrt in the default settings as we do not use
EAP-pwd.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 9f34bf51d60a237696b1d4cc9b5f4835b95e7ea2)