Fix location of Seafile source
Fix location of Seafile source

seafile/seafile-server-installer,alexanderjackson/seafile-server-installer,felag/seafile-server-installer,SeafileDE/seafile-server-installer,necrevistonnezr/seafile-server-installer,haiwen/seafile-server-installer,syncwerk/syncwerk-server-installer,shoeper/seafile-server-installer