Allowing GSSAPI authentication by default

(to match PuTTY default)

Source commit: c6f45c844f27c1f764c212af4b32fb1105553048

source/core/SessionData.cpp

@@ -112,7 +112,7 @@ void __fastcall TSessionData::Default()
   AuthTIS = false;
   AuthKI = true;
   AuthKIPassword = true;
-  AuthGSSAPI = false;
+  AuthGSSAPI = true;
   GSSAPIFwdTGT = false;
   ChangeUsername = false;
   Compression = false;