Bug#1033212: Fwd: plasma-mobile fails to start on PP after kwin's commit eef9bd5c with "libkwinglutils: Shaders are not supported"

[Marco Mattiolo]

Prepared the patch to be included in order to fix this [1] and built 
patched kwin myself to confirm this solves the issue.

Marco
[1] https://salsa.debian.org/qt-kde-team/kde/kwin/-/merge_requests/6