Always invoke the default Array.sort functions from builtin functions, part 2.

src/array.js

Index: src/array.js
diff --git a/src/array.js b/src/array.js
index ab68c5843c2c554b5c30a23dc0f5eff85581bd63..250c30c32b04d0ea96763010cee4699185ce0490 100644
--- a/src/array.js
+++ b/src/array.js
@@ -62,7 +62,7 @@ function GetSortedArrayKeys(array, intervals) {
       }
     }
   }
-  ArraySort.call(keys, function(a, b) { return a - b; });
+  %_CallFunction(keys, function(a, b) { return a - b; }, ArraySort);
   return keys;
 }