Update WhereBracketExpressionBuilder.php (#329)

Fix merge conflict 2

Author: greenlion

src/PHPSQLParser/builders/WhereBracketExpressionBuilder.php

@@ -113,7 +113,7 @@ public function build(array $parsed) {
             $sql .= $this->buildWhereExpression($v);
             $sql .= $this->build($v);
             $sql .= $this->buildUserVariable($v);
-            $sql .= $this->buildSubQuery($v);
+           // $sql .= $this->buildSubQuery($v);
             $sql .= $this->buildReserved($v);
             $sql .= $this->buildSubQuery($v);