Fix memory bounds error

[proxmark3-svn] / client / scripts / test.lua

local foo = "This shows how to use some standard libraries"
print(foo)
local answer
repeat
        io.write("Continue with this operation (y/n)? ")
        io.flush()
        answer=io.read()
until answer=="y" or answer=="n"
local x = "Ok then, %s"
print (x:format("whatever"))