From 597bf04a56d43aa9c0eb0f8fbb90c9d51c53656c Mon Sep 17 00:00:00 2001
From: Markus Westerlind <marwes91@gmail.com>
Date: Tue, 20 Feb 2018 13:13:37 +0100
Subject: [PATCH] termcolor: add ?Sized bound for &mut T impl

---
 termcolor/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/termcolor/src/lib.rs b/termcolor/src/lib.rs
index 7b90851a..81825898 100644
--- a/termcolor/src/lib.rs
+++ b/termcolor/src/lib.rs
@@ -104,7 +104,7 @@ pub trait WriteColor: io::Write {
     fn reset(&mut self) -> io::Result<()>;
 }
 
-impl<'a, T: WriteColor> WriteColor for &'a mut T {
+impl<'a, T: ?Sized + WriteColor> WriteColor for &'a mut T {
     fn supports_color(&self) -> bool { (&**self).supports_color() }
     fn set_color(&mut self, spec: &ColorSpec) -> io::Result<()> {
         (&mut **self).set_color(spec)