Fix rustfmt warnings

Author: mataha

src/util.rs

@@ -408,7 +408,11 @@ pub fn resolve_path(path: impl AsRef<Path>) -> Result<PathBuf> {
 /// Convert a string to lowercase, with a fast path for ASCII strings.
 pub fn to_lowercase(s: impl AsRef<str>) -> String {
     let s = s.as_ref();
-    if s.is_ascii() { s.to_ascii_lowercase() } else { s.to_lowercase() }
+    if s.is_ascii() {
+        s.to_ascii_lowercase()
+    } else {
+        s.to_lowercase()
+    }
 }
 
 #[cfg(test)]