Merge pull request #48 from liu2guang/liu2guang_dev

[修复] 修复使用 webclinet_get_postion 重定向的链接，重定向后无法正常的从指定位置get的问题

src/webclient.c

@@ -994,7 +994,7 @@ int webclient_get_position(struct webclient_session *session, const char *URI, i
                 return  -WEBCLIENT_NOMEM;
             }
 
-            rc = webclient_get(session, new_url);
+            rc = webclient_get_position(session, new_url, position);
 
             web_free(new_url);
             return rc;