fix leak

diff --git a/ext/pdo/pdo_dbh.c b/ext/pdo/pdo_dbh.c
index 04bd0a15c58d71c51e61d9966f691282006df55c..e61d76ab194556b71aea08a1a7bd6dc54987bd4a 100755 (executable)
--- a/ext/pdo/pdo_dbh.c
+++ b/ext/pdo/pdo_dbh.c
@@ -356,6 +356,8 @@ static PHP_METHOD(PDO, prepare)
                stmt->refcount = 1;
                return;
        }
+
+       efree(stmt->query_string);
        efree(stmt);
        PDO_HANDLE_DBH_ERR();
        RETURN_FALSE;