Check return values of option setter.
Check return values of option setter.


git-svn-id: b1dee0d48e635e16c3b356ce77271b225d4db9f7@377 7dcaeef0-15fb-0310-b436-a5af3365683c

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