[In_app_purchase] Correct version. (#1691)

packages/in_app_purchase/pubspec.yaml

diff --git a/packages/in_app_purchase/pubspec.yaml b/packages/in_app_purchase/pubspec.yaml
index e3fd4ec..7585e49 100644
--- a/packages/in_app_purchase/pubspec.yaml
+++ b/packages/in_app_purchase/pubspec.yaml
@@ -2,7 +2,7 @@
 description: A Flutter plugin for in-app purchases.
 author:  Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/in_app_purchase
-version: 0.1.1+1
+version: 0.1.1+2
 
 dependencies:
   async: ^2.0.8