Index: E:/EclipseWorkWeb/WordPressDev/wp-admin/includes/schema.php
===================================================================
--- E:/EclipseWorkWeb/WordPressDev/wp-admin/includes/schema.php	(revision 6851)
+++ E:/EclipseWorkWeb/WordPressDev/wp-admin/includes/schema.php	(working copy)
@@ -3,6 +3,8 @@
 
 $charset_collate = '';
 
+global $wpdb;
+
 if ( $wpdb->supports_collation() ) {
 	if ( ! empty($wpdb->charset) )
 		$charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";