Parametrize the expected value to avoid platform false positives

Author: weltling

ext/date/tests/bug53437_var3.phpt

@@ -40,7 +40,7 @@ object(DateInterval)#%d (15) {
   ["special_amount"]=>
   int(-1)
   ["have_weekday_relative"]=>
-  int(0)
+  int(%d)
   ["have_special_relative"]=>
   int(0)
 }