raise-gcc (db_region_for): Use _Unwind_GetIPInfo instead of _Unwind_GetIP if HAVE_GETIPINFO is defined.

	* raise-gcc (db_region_for): Use _Unwind_GetIPInfo instead of
	_Unwind_GetIP if HAVE_GETIPINFO is defined.
	(db_action_for): Likewise.

From-SVN: r153613