wayland: set names for event queues
Newer libwayland adds setting names for event queues for nicer debug output when the WAYLAND_DEBUG environment variable is set.
Add a fallback for when this is not present, and use it when it is.
Newer libwayland adds setting names for event queues for nicer debug output when the WAYLAND_DEBUG environment variable is set.
Add a fallback for when this is not present, and use it when it is.