$ sudo apt-get update
$ sudo apt-get install kdesvn-kio-plugins 

kdesvn-kio-plugins is installed in your system.

Make ensure the kdesvn-kio-plugins package were installed using the commands given below,

$ sudo dpkg-query -l | grep kdesvn-kio-plugins *

You will get with kdesvn-kio-plugins package name, version, architecture and description in a table

kdesvn-kio-plugins package basic information: