Author :
Azat Khuzhin
Date :
2019-05-11 00:17:03
Hash :401bd1c0 Message :evbuffer: fix last_with_datap after prepend with empty chain
last_with_datap should be adjusted only if it buf->first *was* not
empty, otherwise last_with_datap should point to the prepended chain.
Azat Khuzhin