Rename `fmt::Writer` to `fmt::Write`

This brings it in line with its namesake in `std::io`.

[breaking-change]

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libstd/rt/unwind.rs b/src/libstd/rt/unwind.rs
index 659e787a9ff..6abe920e1ea 100644
--- a/src/libstd/rt/unwind.rs
+++ b/src/libstd/rt/unwind.rs
@@ -496,7 +496,7 @@ pub extern fn rust_begin_unwind(msg: fmt::Arguments,
 #[inline(never)] #[cold]
 #[stable(since = "1.0.0", feature = "rust1")]
 pub fn begin_unwind_fmt(msg: fmt::Arguments, file_line: &(&'static str, uint)) -> ! {
-    use fmt::Writer;
+    use fmt::Write;
 
     // We do two allocations here, unfortunately. But (a) they're
     // required with the current scheme, and (b) we don't handle