Fix base class init signature.
Fix base class init signature.

sorenh/pyopenssl,mhils/pyopenssl,reaperhulk/pyopenssl,mhils/pyopenssl,hynek/pyopenssl,aalba6675/pyopenssl,mitghi/pyopenssl,sholsapp/pyopenssl,r0ro/pyopenssl,elitest/pyopenssl,r0ro/pyopenssl,aalba6675/pyopenssl,mschmo/pyopenssl,samv/pyopenssl,reaperhulk/pyopenssl,daodaoliang/pyopenssl,hynek/pyopenssl,mitghi/pyopenssl,kjav/pyopenssl,pyca/pyopenssl,adamwolf/pyopenssl