rustfmt the recent change

src/uu/du/src/du.rs

@@ -419,8 +419,7 @@ impl Display for DuError {
             DuError::SummarizeDepthConflict(s) => {
                 write!(f, "summarizing conflicts with --max-depth={}", s)
             }
-            DuError::InvalidTimeStyleArg(s) => {
-                write!(
+            DuError::InvalidTimeStyleArg(s) => write!(
                 f,
                 "invalid argument '{}' for 'time style'
 Valid arguments are:
@@ -429,16 +428,13 @@ Valid arguments are:
 - 'iso'
 Try '{} --help' for more information.",
                 s, NAME
-                )
-            }
-            DuError::InvalidTimeArg(s) => {
-                write!(
+            ),
+            DuError::InvalidTimeArg(s) => write!(
                 f,
                 "Invalid argument '{}' for --time.
 'birth' and 'creation' arguments are not supported on this platform.",
                 s
-                )
-            }
+            ),
         }
     }
 }