qmldump: Add a flush to fix output redirection problems on windows.

Task-number: QTCREATORBUG-5825
Change-Id: Ib086e8ed213738516015334736b1a2badb202993
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>

share/qtcreator/qml/qmldump/main.cpp

@@ -635,7 +635,7 @@ int main(int argc, char *argv[])
     qml.writeEndObject();
     qml.writeEndDocument();
 
-    std::cout << bytes.constData();
+    std::cout << bytes.constData() << std::flush;
 
     // workaround to avoid crashes on exit
     QTimer timer;