fteqcc help output should show PAK/PK3 manipulation options

[hemebond]

The help output does not show any of the options for extracting and creating PAK and PK3 files.

 $  fteqcc64 --version
FTEQCC: git-6496-eb6b127d9 (%cs)

 $  fteqcc64 --help
cmdline:0: warning: Unrecognised parameter (--help)
qcc looks for progs.src in the current directory.
to look in a different directory: qcc -src <directory>
-Fwasm causes FTEQCC to dump all asm to qc.asm
-O0 to disable optimisations
-O1 to optimise for size
-O2 to optimise more - some behaviours may change
-O3 to optimise lots - experimental or non-future-proof
-Oname to enable an optimisation
-Ono-name to disable optimisations
-Kkeyword to activate keyword
-Kno-keyword to disable keyword
-Wall to give a stupid number of warnings
-Ttarget to set a output format
-Fautoproto to enable automatic prototyping
-Fsubscope to make locals specific to their subscope