Indenting Allow GSSAPI credential delegation checkbox to make it clear it is an suboption of Attempt GSSAPI authentication

Source commit: 024dfde5f9bc209b07b5f4a2c314515d0aa430a9

source/forms/SiteAdvanced.dfm

@@ -2074,9 +2074,9 @@ object SiteAdvancedDialog: TSiteAdvancedDialog
             OnClick = AuthGSSAPICheck3Click
           end
           object GSSAPIFwdTGTCheck: TCheckBox
-            Left = 12
+            Left = 32
             Top = 42
-            Width = 373
+            Width = 353
             Height = 17
             Anchors = [akLeft, akTop, akRight]
             Caption = 'Allow GSSAPI &credential delegation'