hashtag link correction

I found that hashtag links in the feed were leading to this error:

The Twitter REST API v1 is no longer active. Please migrate to API v1.1.
https://dev.twitter.com/docs/api/1.1/overview

So in displaytweets.php I replaced

http://search.twitter.com/search?q=

with

https://twitter.com/search?q=

and now it works.

http://ww.wp.xz.cn/extend/plugins/display-tweets-php/