Fixed keepalive problem on older openssh servers
Fixed keepalive problem on older openssh servers

Conflicts:

	libssh/channels.c

substack/libssh,elastichosts/libssh,mwgoldsmith/libssh,wangshawn/libssh,elastichosts/libssh,mwgoldsmith/ssh,kedazo/libssh,jt1/honeypot-libssh,miloj/libssh-v0.5,rofl0r/libssh,jt1/honeypot-libssh,jahrome/libssh,nviennot/libssh,DouglasHeriot/libssh,rofl0r/libssh,pouete/libssh,jt1/honeypot-libssh,wangshawn/libssh,Distrotech/libssh,mwgoldsmith/libssh,pouete/libssh,Distrotech/libssh,mwgoldsmith/ssh,robxu9/libssh,rofl0r/libssh,jt1/honeypot-libssh,bigcat26/libssh-mod,wangshawn/libssh,miloj/libssh-v0.5,robxu9/libssh,sebadoom/libssh,kedazo/libssh,kedazo/libssh,mwgoldsmith/ssh,bigcat26/libssh-mod,taikoo/libssh,taikoo/libssh,robxu9/libssh,sebadoom/libssh,Distrotech/libssh,jahrome/libssh,pouete/libssh,rofl0r/libssh,nviennot/libssh,elastichosts/libssh,jahrome/libssh,Distrotech/libssh,taikoo/libssh,robxu9/libssh,nviennot/libssh,jahrome/libssh,DouglasHeriot/libssh,kedazo/libssh,pouete/libssh,wangshawn/libssh,nviennot/libssh,mwgoldsmith/libssh,mwgoldsmith/ssh,substack/libssh,miloj/libssh-v0.5,miloj/libssh-v0.5,sebadoom/libssh,substack/libssh,bigcat26/libssh-mod,bigcat26/libssh-mod,DouglasHeriot/libssh,sebadoom/libssh,substack/libssh,mwgoldsmith/libssh,DouglasHeriot/libssh,taikoo/libssh