Fix version conflict

Author: mvanbeusekom

packages/camera/camera/pubspec.yaml

@@ -2,7 +2,7 @@ name: camera
 description: A Flutter plugin for getting information about and controlling the
   camera on Android and iOS. Supports previewing the camera feed, capturing images, capturing video,
   and streaming image buffers to dart.
-version: 0.6.4+2
+version: 0.6.4+3
 homepage: https://github.com/flutter/plugins/tree/master/packages/camera/camera
 
 dependencies: