Add back in import needed for codemap tests

diff --git a/src/libsyntax/codemap.rs b/src/libsyntax/codemap.rs
index afa5a3b38ba2748ba5c6106f2035099fde2f1fdf..1e5f88dac49bc4137a1137985392eb92d715ab72 100644 (file)
--- a/src/libsyntax/codemap.rs
+++ b/src/libsyntax/codemap.rs
@@ -828,6 +828,7 @@ fn macro_backtrace(&self, span: Span) -> Vec<MacroBacktrace> {
 mod tests {
     use super::*;
     use std::io::{self, Write};
+    use errors::snippet::StyledString;
     use std::rc::Rc;
 
     #[test]