Make clippy happy

Author: Stjepan Glavina

src/parking.rs

@@ -97,6 +97,12 @@ impl Drop for Parker {
     }
 }
 
+impl Default for Parker {
+    fn default() -> Parker {
+        Parker::new()
+    }
+}
+
 impl fmt::Debug for Parker {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.pad("Parker { .. }")

src/sys/kqueue.rs

@@ -95,15 +95,15 @@ impl Reactor {
             libc::kevent {
                 ident: fd as _,
                 filter: libc::EVFILT_READ,
-                flags: flags,
+                flags,
                 fflags: 0,
                 data: 0,
                 udata: 0 as _,
             },
             libc::kevent {
                 ident: fd as _,
                 filter: libc::EVFILT_WRITE,
-                flags: flags,
+                flags,
                 fflags: 0,
                 data: 0,
                 udata: 0 as _,