Fix 'touch' in case there is no file with the given extension
[platform/core/system/upgrade-tools.git] / mk_delta /
drwxr-xr-x   ..
drwxr-xr-x - artik530_710
drwxr-xr-x - common
drwxr-xr-x - rpi3
drwxr-xr-x - rpi4-headed
drwxr-xr-x - rpi4-headless
drwxr-xr-x - rpi4
drwxr-xr-x - tw1
drwxr-xr-x - tw2
drwxr-xr-x - tw3