getopt.c: Alternate dupe-options check for options which are
FLG_NONE and OPT_REQ_PARAM. This frees up options flags.
Trust the new options dupe-check to free up 15 flags for Jumbo.
Pacify a compiler warning in wpapsk.h. I think it was latest CUDA
nvcc that started complaining about the "deprecated conversion
from a string literal to "char *"
Stop mentioning krb5-23 format - it doesn't exist anymore since
it was really just the good old NT format in disguise.