Fixes this startup failure:
qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
Aborted (core dumped)
Fixes #76639.
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Semi-automatic update. These checks were performed:
- built on NixOS
- ran `/nix/store/6q311ykga5a001jk8x80whj4cr3jp1y5-rosegarden-17.12.1/bin/rosegarden --version` and found version 17.12.1
- found 17.12.1 with grep in /nix/store/6q311ykga5a001jk8x80whj4cr3jp1y5-rosegarden-17.12.1
- found 17.12.1 in filename of file in /nix/store/6q311ykga5a001jk8x80whj4cr3jp1y5-rosegarden-17.12.1
cc "@lebastr"