Fix typo in linux launcher script
Fix typo in linux launcher script

This caused lightzone to crash on startup on Debian-based distros
MarinnaCole/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,MarinnaCole/LightZone,ktgw0316/LightZone,ktgw0316/LightZone