Index: wp-admin/setup-config.php
===================================================================
--- wp-admin/setup-config.php	(revision 29289)
+++ wp-admin/setup-config.php	(working copy)
@@ -34,6 +34,11 @@
 
 require( ABSPATH . 'wp-admin/includes/upgrade.php' );
 
+// Make sure magic_quotes_sybase is disabled
+if ( ini_get( 'magic_quotes_sybase' ) ) {
+	ini_set( 'magic_quotes_sybase', '0' );
+}
+
 // Support wp-config-sample.php one level up, for the develop repo.
 if ( file_exists( ABSPATH . 'wp-config-sample.php' ) )
 	$config_file = file( ABSPATH . 'wp-config-sample.php' );