ssh_connect_host_nonblocking returns SSH_EINTR, not E_INTR, so update documentation
ssh_connect_host_nonblocking returns SSH_EINTR, not E_INTR, so update documentation

Signed-off-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@cryptomilk.org>

taikoo/libssh,mwgoldsmith/libssh,wangshawn/libssh,taikoo/libssh,pouete/libssh,sebadoom/libssh,Distrotech/libssh,pouete/libssh,bigcat26/libssh-mod,mwgoldsmith/libssh,mwgoldsmith/ssh,rofl0r/libssh,elastichosts/libssh,kedazo/libssh,wangshawn/libssh,kedazo/libssh,pouete/libssh,mwgoldsmith/libssh,DouglasHeriot/libssh,jt1/honeypot-libssh,taikoo/libssh,Distrotech/libssh,jt1/honeypot-libssh,DouglasHeriot/libssh,nviennot/libssh,kedazo/libssh,robxu9/libssh,robxu9/libssh,pouete/libssh,sebadoom/libssh,bigcat26/libssh-mod,substack/libssh,nviennot/libssh,mwgoldsmith/ssh,mwgoldsmith/libssh,jahrome/libssh,sebadoom/libssh,substack/libssh,rofl0r/libssh,nviennot/libssh,robxu9/libssh,mwgoldsmith/ssh,jahrome/libssh,robxu9/libssh,rofl0r/libssh,DouglasHeriot/libssh,rofl0r/libssh,bigcat26/libssh-mod,jt1/honeypot-libssh,Distrotech/libssh,taikoo/libssh,Distrotech/libssh,nviennot/libssh,jahrome/libssh,jahrome/libssh,sebadoom/libssh,substack/libssh,elastichosts/libssh,jt1/honeypot-libssh,mwgoldsmith/ssh,substack/libssh,DouglasHeriot/libssh,kedazo/libssh,elastichosts/libssh,wangshawn/libssh,wangshawn/libssh,bigcat26/libssh-mod