Update PSPOskDialog.cpp

Cosmetic change (more space added between the 2nd and the 3rd column of buttons)

before >> http://img15.hostingpics.net/pics/947242ULES0121300000.png
now >> http://img15.hostingpics.net/pics/365423ULES0121300001.png
Trying to fix encoding
Merge pull request #5644 from vnctdj/patch-1

Update PSPOskDialog.cpp