Release 3.1.2 (flutter#18)

nex3 · web-flow · commit e05e194a45a2 · 2018-05-02T14:00:04.000-07:00
diff --git a/pubspec.yaml b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: http_parser
-version: 3.1.2-dev
+version: 3.1.2
 author: "Dart Team <misc@dartlang.org>"
 homepage: https://github.com/dart-lang/http_parser
 description: >
