pidof: Fix lint and fmt

src/uu/pidof/src/pidof.rs

@@ -89,6 +89,7 @@ fn collect_matched_pids(matches: &ArgMatches) -> Vec<ProcessInformation> {
     }
 }
 
+#[allow(clippy::cognitive_complexity)]
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(crate_version!())

tests/by-util/test_pidof.rs

@@ -16,7 +16,6 @@ fn test_find_init() {
     new_ucmd!().arg("init").succeeds();
 }
 
-
 #[test]
 #[cfg(target_os = "linux")]
 fn test_find_kthreadd() {