qguivariant: Got panic "KERN-EXEC 3" on symbian^3 devices

Step:
1. Install qt sdk "Qt_SDK_Windows_offline_v1_1_en.exe".

2. Download benchmarks source, and copy "/tests/" folder files to qt sdk environment.

3. Compile "qguivariant" (../tests/benchmarks/gui/kernel/qguivariant), and create sis package.

4. Install qguivariant sis package on symbian^3 device.

5. Launched the application by parameter "-xml -o"

Expectation results:
1. Run successfully and xml file can be generated.

Actual results:
1. Got panic "KERN-EXEC 3" after running several minutes, the output file is 0KB.

More information is in private JIRA:
https://qtrequirements.troll.no/browse/QTTH-1335