Auto merge of rust-lang#63975 - topecongiro:rustfmt-1.4.6, r=nikomatsakis

bors · bors · commit 2d851b33181b · 2019-08-31T01:35:10.000Z
Update rustfmt to 1.4.6 This PR updates rustfmt to 1.4.6. [CHANGELOG](https://github.com/rust-lang/rustfmt/blob/v1.4.6/CHANGELOG.md#146-2019-08-28).
diff --git a/Cargo.lock b/Cargo.lock
@@ -3579,7 +3579,7 @@ dependencies = [
 
 [[package]]
 name = "rustfmt-nightly"
-version = "1.4.5"
+version = "1.4.6"
 dependencies = [
  "annotate-snippets",
  "atty",
diff --git a/src/tools/rustfmt b/src/tools/rustfmt
@@ -1 +1 @@
-Subproject commit 9792ff05297c0a5c40942b346c9b0341b9e7c0ee
+Subproject commit f800ce47d1da2a1c02ffd260deca8b7445f7facf
