Add some notes about building GUI on Windows.
Add some notes about building GUI on Windows.

EoD/apitrace,swq0553/apitrace,apitrace/apitrace,surround-io/apitrace,swq0553/apitrace,EoD/apitrace,swq0553/apitrace,joshua5201/apitrace,apitrace/apitrace,joshua5201/apitrace,surround-io/apitrace,PeterLValve/apitrace,EoD/apitrace,trtt/apitrace,surround-io/apitrace,surround-io/apitrace,joshua5201/apitrace,tuanthng/apitrace,joshua5201/apitrace,swq0553/apitrace,schulmar/apitrace,surround-io/apitrace,tuanthng/apitrace,apitrace/apitrace,swq0553/apitrace,EoD/apitrace,schulmar/apitrace,joshua5201/apitrace,trtt/apitrace,trtt/apitrace,tuanthng/apitrace,schulmar/apitrace,schulmar/apitrace,tuanthng/apitrace,schulmar/apitrace,apitrace/apitrace,PeterLValve/apitrace,PeterLValve/apitrace,trtt/apitrace,PeterLValve/apitrace,tuanthng/apitrace,trtt/apitrace,EoD/apitrace