if Xrender is not found a fatal message will be issued by the top-level
CMakeLists file because it is required by KWin compositor for example
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
KWin has effect for it, I am not sure if it should be done by KWin but
if it is done by krunner and krunner is not started in Katana session it
may interfere with whatever is (potentially) doing startup notification
feedback. obviously, same goes for KWin but now it is done only from
one program
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
