Make SQL task work under Oracle

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@275276 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/SQLExec.java

@@ -554,7 +554,7 @@ public class SQLExec extends JDBCTask {
                 ret = statement.getMoreResults();
                 updateCount = statement.getUpdateCount();
                 resultSet = statement.getResultSet();
-            } while ((resultSet != null) || (updateCount != -1));
+            } while (ret);
 
             log(updateCountTotal + " rows affected",
                 Project.MSG_VERBOSE);