Remove an extra \r\n and fix a test.

The multipart tests hadn't been updated to expect the
content-transfer-encoding header.

Closes #40

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//2152793003 .

Author: nex3

CHANGELOG.md

@@ -1,6 +1,6 @@
-## 0.11.4-dev
+## 0.11.3+9
 
-* Fix an error in multipart_test.
+* Remove an extra newline in multipart chunks.
 
 ## 0.11.3+8
 

lib/src/multipart_request.dart

@@ -135,7 +135,7 @@ class MultipartRequest extends BaseRequest {
     if (!isPlainAscii(value)) {
       header = '$header\r\n'
           'content-type: text/plain; charset=utf-8\r\n'
-          'content-transfer-encoding: binary\r\n';
+          'content-transfer-encoding: binary';
     }
     return '$header\r\n\r\n';
   }

pubspec.yaml

@@ -1,5 +1,5 @@
 name: http
-version: 0.11.4-dev
+version: 0.11.3+9
 author: "Dart Team <misc@dartlang.org>"
 homepage: https://github.com/dart-lang/http
 description: A composable, Future-based API for making HTTP requests.

test/multipart_test.dart

@@ -98,7 +98,6 @@ void main() {
         content-type: text/plain; charset=utf-8
         content-transfer-encoding: binary
 
-
         vⱥlūe
         --{{boundary}}--
         '''));