Use correct URL for root JS URL

Author: rmccue

plugin.php

@@ -202,7 +202,7 @@ function json_api_deactivation( $network_wide ) {
 function json_register_scripts() {
 	wp_register_script( 'wp-api', 'http://wp-api.github.io/client-js/build/js/wp-api.js', array( 'jquery', 'backbone', 'underscore' ), '1.1', true );
 
-	$settings = array( 'root' => esc_url_raw( home_url( 'wp-json' ) ), 'nonce' => wp_create_nonce( 'wp_json' ) );
+	$settings = array( 'root' => esc_url_raw( get_json_url() ), 'nonce' => wp_create_nonce( 'wp_json' ) );
 	wp_localize_script( 'wp-api', 'WP_API_Settings', $settings );
 }
 add_action( 'wp_enqueue_scripts', 'json_register_scripts', -100 );