Update Code Generator prefs re Delphi 10.2, 10.3 & 10.4 support.

These compilers were added to the Predefined Compiler version drop
down list that associates compiler version numbers required in
conditional code with a named compiler.

Author: delphidabbler

Src/FrCodeGenPrefs.pas

@@ -679,6 +679,9 @@ procedure TCodeGenPrefsFrame.PopulatePreDefCompilerMenu;
   AddMenuItem('Delphi XE8', 29.0);
   AddMenuItem('Delphi 10 Seattle', 30.0);
   AddMenuItem('Delphi 10.1 Berlin', 31.0);
+  AddMenuItem('Delphi 10.2 Tokyo', 32.0);
+  AddMenuItem('Delphi 10.3 Rio', 33.0);
+  AddMenuItem('Delphi 10.4 Sydney', 34.0);
 end;
 
 procedure TCodeGenPrefsFrame.PreDefCompilerMenuClick(Sender: TObject);