fixup! date: add support for negative date arithmetic with - operator

Author: sylvestre

src/uu/date/src/date.rs

@@ -1663,7 +1663,9 @@ mod tests {
 
         // Test negative arithmetic patterns
         assert!(try_parse_gnu_compatible_arithmetic("1970-12-31 - 1 year").is_some());
-        assert!(try_parse_gnu_compatible_arithmetic("1970-12-31T23:59:59+00:00 - 1 year").is_some());
+        assert!(
+            try_parse_gnu_compatible_arithmetic("1970-12-31T23:59:59+00:00 - 1 year").is_some()
+        );
         assert!(try_parse_gnu_compatible_arithmetic("1999-01-01 2 years ago").is_some());
     }
 }