Fix a couple of clippy warnings.

Use .iter instead of .into_iter in uinput.rs
Use type definitions to fix some complexity in power.rs.
See https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity

src/power.rs

@@ -177,9 +177,12 @@ pub(crate) enum SysfsWritten {
     Superseded,
 }
 
+type SysfsQueue = (Vec<u8>, oneshot::Sender<SysfsWritten>);
+type SysfsQueueMap = HashMap<PathBuf, SysfsQueue>;
+
 #[derive(Debug)]
 struct SysfsWriterQueue {
-    values: Mutex<HashMap<PathBuf, (Vec<u8>, oneshot::Sender<SysfsWritten>)>>,
+    values: Mutex<SysfsQueueMap>,
     notify: Notify,
 }
 

src/uinput.rs

@@ -76,7 +76,7 @@ impl UInputDevice {
         ensure!(!self.open, "Cannot reopen uinput handle");
 
         self.handle.set_evbit(EventKind::Key)?;
-        for key in keybits.into_iter().copied() {
+        for key in keybits.iter().copied() {
             self.handle.set_keybit(key)?;
         }