fix warning and bit rotted tests uncovered by kokoro

TEST=run kokoro presubmit
BUG=None

Change-Id: I301551f8f58263f1a8b7a8276867881cb17517ab
Reviewed-on: https://chromium-review.googlesource.com/1236889
Commit-Ready: Zach Reizner <zachr@chromium.org>
Tested-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Stephen Barber <smbarber@chromium.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/gpu_display/examples/simple.rs b/gpu_display/examples/simple.rs
index 2ca9ab7..e3499f8 100644
--- a/gpu_display/examples/simple.rs
+++ b/gpu_display/examples/simple.rs
@@ -3,7 +3,7 @@ extern crate gpu_display;
 use gpu_display::*;
 
 fn main() {
-    let mut disp = GpuDisplay::new().unwrap();
+    let mut disp = GpuDisplay::new("/run/wayland-0").unwrap();
     let surface_id = disp.create_surface(None, 1280, 1024).unwrap();
     while !disp.close_requested(surface_id) {
         disp.dispatch_events();