Update test to be compatible with Ada 2005.

From-SVN: r122222

gcc/testsuite/ada/acats/tests/c9/c96004a.ada

@@ -92,7 +92,7 @@ BEGIN
           END;
 
           BEGIN
-               YR := IDENT_INT(2100);
+               YR := IDENT_INT(YEAR_NUMBER'LAST + 1);
                FAILED ("EXCEPTION NOT RAISED - (A)3");
                IF NOT EQUAL (YR, YR) THEN
                     COMMENT ("NO EXCEPTION RAISED");

gcc/testsuite/ada/acats/tests/c9/c96007a.ada

@@ -136,7 +136,7 @@ BEGIN
           END;
 
           BEGIN
-               BAD_TIME := TIME_OF (2100, 8, 13);
+               BAD_TIME := TIME_OF (YEAR_NUMBER'LAST + 1, 8, 13);
                FAILED ("EXCEPTION NOT RAISED - 2100 (B)");
           EXCEPTION
                WHEN CONSTRAINT_ERROR =>