Fix VM memory allocation optimizations by reducing what we allocate on the heap

internal/builtins/bind.go

@@ -21,8 +21,8 @@ func Bind(args ...object.Object) object.Object {
 		sockaddr syscall.Sockaddr
 	)
 
-	fd := int(args[0].(*object.Integer).Value)
-	address := args[1].(*object.String).Value
+	fd := int(args[0].(object.Integer).Value)
+	address := args[1].(object.String).Value
 
 	sockaddr, err = syscall.Getsockname(fd)
 	if err != nil {
@@ -50,5 +50,5 @@ func Bind(args ...object.Object) object.Object {
 		return newError("SocketError: %s", err)
 	}
 
-	return &object.Null{}
+	return object.Null{}
 }