Fixed an invalid use of '&&' inside a [] (test) statement.
Fixed an invalid use of '&&' inside a [] (test) statement.

I'm going to use ShellCheck more often :-)

beylsp/rpi-installer,beylsp/rpi-installer,racing-tech/rrp-raspi-installer,yodaaut/raspbian-ua-netinst,racing-tech/rrp-raspi-installer,daytonpid/FireHawk,firepick/FireHawk,FooDeas/raspberrypi-ua-netinst