Fix build warnings.
Fix build warnings.


git-svn-id: b1dee0d48e635e16c3b356ce77271b225d4db9f7@401 7dcaeef0-15fb-0310-b436-a5af3365683c

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