Fix line length calculation (should be in chars, not bytes)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index be4579faba2..ddee0cdc286 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -511,7 +511,7 @@ fn format_lines(text: &mut StringBuffer, name: &str, config: &Config, report: &m
             last_wspace = None;
         } else {
             newline_count = 0;
-            line_len += c.len_utf8();
+            line_len += 1;
             if c.is_whitespace() {
                 if last_wspace.is_none() {
                     last_wspace = Some(b);