another tiny rustfmt for the road

Author: lqd

src/cli.rs

@@ -211,10 +211,9 @@ fn readable_pico_error(error: pico::Error) -> Error {
             format!("'{}' isn't a valid value ({})", value, cause)
         }
         Error::OptionWithoutAValue(_) => "missing value".to_string(),
-        Error::UnusedArgsLeft(left) => format!(
-            "error, unrecognized arguments: {}",
-            left.join(", ")
-        ),
+        Error::UnusedArgsLeft(left) => {
+            format!("error, unrecognized arguments: {}", left.join(", "))
+        }
         Error::NonUtf8Argument => "not a valid utf8 value".to_string(),
     })
 }