修正setDefaultAutoCommit不起作用的问题

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@943 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/pool/DruidDataSource.java

@@ -388,6 +388,10 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
                                       new ActiveConnectionTraceInfo(poolalbeConnection, System.currentTimeMillis(),
                                                                     stackTrace));
             }
+            
+            if (!this.isDefaultAutoCommit()) {
+                poolalbeConnection.setAutoCommit(false);
+            }
 
             return poolalbeConnection;
         }