Actually fix the trailing whitespace

diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
index e731156afa0c4ae5e81acfb80b2d4065b6299c9a..ce331608390761f71abb83cd1416133076656914 100644 (file)
--- a/src/libcore/str/mod.rs
+++ b/src/libcore/str/mod.rs
@@ -323,7 +323,7 @@ pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error> {
 ///
 /// ```
 /// use std::str;
-/// 
+///
 /// // Some invalid bytes in a mutable vector
 /// let mut invalid = vec![128, 223];
 ///