Fix three pre-existing clippy warnings

- ipc.rs: drop a u64 -> u64 no-op cast (WindowId is a plain u64 alias).
- decoration.rs: draw_line took 8 args; bundle the two endpoints into
  (i32, i32) tuples instead of four loose coordinates.
- output_management.rs: collapse a WEnum::Value if-let directly into
  the outer SetTransform match arm's pattern.

1 files changed, 2 insertions, 4 deletions

diff --git a/crates/wayland/src/output_management.rs b/crates/wayland/src/output_management.rs
index 4697a40..7849557 100644
--- a/crates/wayland/src/output_management.rs
+++ b/crates/wayland/src/output_management.rs
@@ -215,10 +215,8 @@ impl Dispatch<ZwlrOutputConfigurationHeadV1, ConfigurationHeadData> for CompStat
         match request {
             zwlr_output_configuration_head_v1::Request::SetPosition { x, y } => *position = Some((x, y)),
             zwlr_output_configuration_head_v1::Request::SetScale { scale: s } => *scale = Some(s),
-            zwlr_output_configuration_head_v1::Request::SetTransform { transform: t } => {
-                if let WEnum::Value(t) = t {
-                    *transform = Some(wl_transform_to_smithay(t));
-                }
+            zwlr_output_configuration_head_v1::Request::SetTransform { transform: WEnum::Value(t) } => {
+                *transform = Some(wl_transform_to_smithay(t));
             }
             zwlr_output_configuration_head_v1::Request::SetMode { mode: mode_obj } => {
                 if let Some(m) = mode_obj.data::<ModeData>() {