[EpgSelection] workaround for graphical issue with "EPG_TYPE_GRAPH" - see screenshots


![screen-graphepg_failure_01](https://cloud.githubusercontent.com/assets/5672846/4965802/aafb9a4e-6796-11e4-97a3-49ca782b3845.jpg)
![screen-graphepg_failure_02](https://cloud.githubusercontent.com/assets/5672846/4965803/b0cf8fde-6796-11e4-8510-ab23c885ba16.jpg)