COMP: Fix windows pythonQt wrapping issue passing moc option through file

This fixes Slicer issue 2884.
See http://www.na-mic.org/Bug/view.php?id=2884
Merge branch 'fix-win-build-error-decreasing-number-of-params-passed-to-moc'

* fix-win-build-error-decreasing-number-of-params-passed-to-moc:
  COMP: Fix windows pythonQt wrapping issue passing moc option through file