Correction to varibale name mismatch in sql injections

data/CRMEntity.php

@@ -1096,7 +1096,6 @@ class CRMEntity {
*/
function checkIfCustomTableExists($tablename) {
global $adb;
-        $table_name = Vtiger_Util_Helper::validateStringForSql($table_name);
$query = "select * from " . $adb->sql_escape_string($tablename);
$result = $this->db->pquery($query, array());
$testrow = $this->db->num_fields($result);