tests: Fix build warning.
tests: Fix build warning.

Distrotech/libssh,kedazo/libssh,wangshawn/libssh,sebadoom/libssh,jt1/honeypot-libssh,sebadoom/libssh,wangshawn/libssh,bigcat26/libssh-mod,nviennot/libssh,robxu9/libssh,jt1/honeypot-libssh,pouete/libssh,DouglasHeriot/libssh,mwgoldsmith/ssh,pouete/libssh,bigcat26/libssh-mod,bigcat26/libssh-mod,robxu9/libssh,Distrotech/libssh,mwgoldsmith/libssh,taikoo/libssh,kedazo/libssh,pouete/libssh,taikoo/libssh,jt1/honeypot-libssh,robxu9/libssh,elastichosts/libssh,DouglasHeriot/libssh,sebadoom/libssh,Distrotech/libssh,kedazo/libssh,robxu9/libssh,mwgoldsmith/libssh,taikoo/libssh,mwgoldsmith/ssh,DouglasHeriot/libssh,elastichosts/libssh,mwgoldsmith/libssh,jt1/honeypot-libssh,mwgoldsmith/ssh,sebadoom/libssh,bigcat26/libssh-mod,nviennot/libssh,nviennot/libssh,pouete/libssh,DouglasHeriot/libssh,Distrotech/libssh,wangshawn/libssh,wangshawn/libssh,taikoo/libssh,mwgoldsmith/ssh,mwgoldsmith/libssh,nviennot/libssh,elastichosts/libssh,kedazo/libssh