fixed a bug in channel_poll where channel_poll() would return 0 even  when data was available.
fixed a bug in channel_poll where channel_poll() would return 0 even 
when data was available.


git-svn-id: b1dee0d48e635e16c3b356ce77271b225d4db9f7@155 7dcaeef0-15fb-0310-b436-a5af3365683c

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