Fixing WP oembed error with changing wp_oembed_get()

Just activate this plugin and got an error

![2013-10-06 02_15_06-add new gallery in-tri-cate wordpress](https://f.cloud.github.com/assets/508665/1275339/a9b196d0-2df3-11e3-80b8-95052d0d308b.png)

Try to find some solutions and stick with [this one](http://stackoverflow.com/questions/18041225/strict-standards-only-variables-should-be-passed-by-reference-in-wordpress-wp-i)