fix 10-qt5-check-opengl2.sh for multiple screens (#1245755)
* Fri Aug 07 2015 Kevin Kofler <Kevin@tigcc.ticalc.org> - 5.5.0-14
- remove GDB hackery again, -12 built fine on i686, hack breaks ARM build
- fix 10-qt5-check-opengl2.sh for multiple screens (#1245755)