Do not show error on empty query.

ChangeLog

@@ -13,6 +13,7 @@ $Source$
       query splitting done im read_dump.
     * libraries/import/sql.php: Fix import of queries containing `, fix import
       of queries not terminated by ;.
+    * libraries/sqlparser.lib.php: Do not show error on empty query.
 
 2005-10-07 Marc Delisle  <lem9@users.sourceforge.net>
     * libraries/check_user_privileges.lib.php: bug #1313821, dbname containing a 

libraries/sqlparser.lib.php

@@ -693,6 +693,7 @@ if ($is_minimum_common == FALSE) {
      */
     function PMA_SQP_analyze($arr)
     {
+        if ($arr == array()) return array();
         $result          = array();
         $size            = $arr['len'];
         $subresult       = array(