fixing a typo which prevented the open menu option from properly handling cartridge files.
fixing a typo which prevented the open menu option from properly handling cartridge files.

JohnEarnest/Octo,JohnEarnest/Octo,james0x0A/Octo,JohnEarnest/Octo,james0x0A/Octo,JohnEarnest/Octo,JohnEarnest/Octo