Fix finding OpenSSL on Solaris.
Fix finding OpenSSL on Solaris.

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