fix Qt4 QSocketNotifier configure check
fix Qt4 QSocketNotifier configure check

When built as a part of the configure check, this doesn't know SAL_OVERRIDE.

Change-Id: I1420dd50efdd6666f246884f286a3f29e0b56a2c

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core