--- signon-8.57/lib/plugins/signon-plugins-common/SignOn/blobiohandler.cpp~	2015-08-03 18:32:44.000000000 +0300
+++ signon-8.57/lib/plugins/signon-plugins-common/SignOn/blobiohandler.cpp	2015-08-03 18:35:09.314000000 +0300
@@ -26,6 +26,7 @@
 #include <QDBusArgument>
 #include <QBuffer>
 #include <QDebug>
+#include <QDataStream>
 
 #include "SignOn/signonplugincommon.h"