redirect: Use REDIRECTION_VERSION4 instead of 3
redirect: Use REDIRECTION_VERSION4 instead of 3

That is what mstsc does and it makes redirection work with 2008 non-r2.

There is a slight risk that this change can influence console logins on ancient
servers.

FreeRDP/FreeRDP-old,FreeRDP/FreeRDP-old,FreeRDP/FreeRDP-old