Fix some spelling errors.
Fix some spelling errors.

Change-Id: Ic744d6f0a5abd9ab311690e7a0c66832cb60f94a
Reviewed-on: http://codereview.qt-project.org/4475
Reviewed-by: Karsten Heimrich <81d67632fe4bf9afb88a400b41aa25e19a1d2a12@nokia.com>

olear/qtifw,olear/qtifw,olear/qtifw,olear/qtifw