Fix for bgo#615304 - Sanity check needed in the Gecko script's updateBraille
Fix for bgo#615304 - Sanity check needed in the Gecko script's updateBraille

chrys87/orca-beep,chrys87/orca-beep,chrys87/orca-beep,GNOME/orca,pvagner/orca,pvagner/orca,pvagner/orca,h4ck3rm1k3/orca-sonar,pvagner/orca,GNOME/orca,GNOME/orca,h4ck3rm1k3/orca-sonar,chrys87/orca-beep,GNOME/orca,h4ck3rm1k3/orca-sonar