[dev] st copyurl patch broken link

[Stefan Hagen]

Hello,

I want to report that the latest website[1] link[2] to the st copyurl patch is 
broken.

Best Regards,
Stefan

[1] http://st.suckless.org/patches/copyurl/
[2] http://st.suckless.org/patches/copyurl/st-copyurl-20170802-e2ee5ee.diff