Improve channel_request().
Improve channel_request().


git-svn-id: b1dee0d48e635e16c3b356ce77271b225d4db9f7@692 7dcaeef0-15fb-0310-b436-a5af3365683c

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