(robot-system-check.sh) Correct path to run binary inside qnx

Fix the following error:
```
hironx_ros_bridge/robot$ ./robot-system-check.sh nextage tork
:
-rwxr-xr-x  1 tork      users       8878220 Jul 10 09:25 /tmp/tmp.6276/robot-system-check-base
sh: tmp/tmp.6276/robot-system-check-base: cannot execute - No such file or directory
```