profile: implement account decoration role

Change-Id: Ie545809d6c3a7a7b872c643d90b7407c59cb2c75
Tuleap: #531
diff --git a/src/native/pixbufmanipulator.h b/src/native/pixbufmanipulator.h
index cbb303a..3122678 100644
--- a/src/native/pixbufmanipulator.h
+++ b/src/native/pixbufmanipulator.h
@@ -52,6 +52,7 @@
     QVariant   decorationRole(const Call* c) override;
     QVariant   decorationRole(const ContactMethod* cm) override;
     QVariant   decorationRole(const Person* p) override;
+    QVariant   decorationRole(const Account* p) override;
 
 private:
     std::shared_ptr<GdkPixbuf> scaleAndFrame(const GdkPixbuf *photo, const QSize& size);