Fix #1146 + some coding style cleanups (orig PR #1156)#1160

Merged

krizhanovsky merged 2 commits intomasterfrom ak-1146

Jan 29, 2019

+129-96

Commits on Jan 24, 2019

Fix #1146 : ttls_update_checksum() can be called for chunk of ClientHello,
krizhanovsky
committed

Commits on Jan 27, 2019

Fix minor review comments
krizhanovsky
committed