tr()-fixes in QNX-plugin.

Change-Id: I950a351d5912a93acdd29581eaf87440149c8df5
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Fix single-character strings in QNX-plugin.

Change-Id: I5a4780fe4fcd285df9f8cbae712e12bff2d2bdda
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>