In WP_Locale, declare $number_format as a property.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30183 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/locale.php

@@ -84,6 +84,11 @@ class WP_Locale {
 	 */
 	var $text_direction = 'ltr';
 
+	/**
+	 * @var array
+	 */
+	var $number_format;
+	
 	/**
 	 * Sets up the translated strings and object properties.
 	 *