Qt5QtCored.dll is missing for Jump List Example

PACKAGE VERSION:
from 2013-10-01

STEPS:
1. Download the installer package.
2. Install the Qt 5.2 Alpha package.
3. Run Qt Creator.
4. Open the Jump List example located here:
..\5.2.0-alpha\mingw48_32\examples\winextras\jumplistexample
5. Build and run it.
6. In the example window, check in the checkbox 'Run with Fusion style'.
7. Press Update.
8. Right click on the Jump List button in the Windows task bar.
9. Click on the Run with Fusion style.

ACTUAL RESULT:
====================================
jumplistexample.exe - System Error
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The program can't start because Qt5Cored.dll is missing from your computer. Try reinstalling the program to fix this problem.
====================================

EXPECTED RESULT:
There should be no error message.