packet1: Fixed dead assignments.
packet1: Fixed dead assignments.

Found by http://test.libssh.org/scan-build/

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