threads: Fixed ssh_pthread_thread_id with mingw.
threads: Fixed ssh_pthread_thread_id with mingw.

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