sem_case.adb, [...]: Replace use of Heap_Sort_A (passing'Unrestricted_Access of nested subprograms...

2007-10-15  Bob Duff  <duff@adacore.com>

	* sem_case.adb, sem_ch13.adb, lib-sort.adb: Replace use of Heap_Sort_A
	(passing'Unrestricted_Access of nested subprograms to Sort) with use of
	the generic Heap_Sort_G, in order to avoid trampolines.

From-SVN: r129327