Add support file for controlled2.adb

From-SVN: r128264

gcc/testsuite/gnat.dg/controlled1.ads

+
+with Ada.Finalization; use Ada.Finalization;
+package controlled1 is
+   type Test is new Controlled with null record;
+   procedure Add_Test (T : access Test'Class);
+   
+   type Test_Case1 is new Test with null record;
+   type Test_Suite is new Test with null record;
+   
+   type Test_Case is new Test_Case1 with record
+      Link_Under_Test : Natural;
+   end record;
+end;