doc: fix links from Object to values
Fix two broken links from the documentation for the Object class to the
page describing values.
### **same**(obj1, obj2)
Returns `true` if *obj1* and *obj2* are the same. For [value
-types](../values.html), this returns `true` if the objects have equivalent
+types](../../values.html), this returns `true` if the objects have equivalent
state. In other words, numbers, strings, booleans, and ranges compare by value.
For all other objects, this returns `true` only if *obj1* and *obj2* refer to
@@ -26,7 +26,7 @@ Returns `false`, since most objects are considered [true][].
### **==**(other) and **!=**(other) operators
Compares two objects using built-in equality. This compares [value
-types](../values.html) by value, and all other objects are compared by
+types](../../values.html) by value, and all other objects are compared by
identity&mdash;two objects are equal only if they are the exact same object.
### **is**(class) operator
