Remove unnecessary calls to BLI_file_descriptor_size when using BLI_mmap_open since this stores the file size too. While accessing the size twice isn't so bad, the additional check that the file size isn't an error value is unnecessarily verbose.
Remove unnecessary calls to BLI_file_descriptor_size when using BLI_mmap_open since this stores the file size too. While accessing the size twice isn't so bad, the additional check that the file size isn't an error value is unnecessarily verbose.