`--help` does not document `--version`

[marek22k]

--help does not document --version

$ smatch --help
Usage:  smatch [smatch arguments][sparse arguments] file.c
--project=<name> or -p=<name>: project specific tests
--succeed: don't exit with an error
--spammy:  print superfluous crap.
--pedantic:  intended for reviewing new drivers.
--info:  print info used to fill smatch_data/.
--debug:  print lots of debug output.
--no-data:  do not use the /smatch_data/ directory.
--data=<dir>: overwrite path to default smatch data directory.
--full-path:  print the full pathname.
--debug-implied:  print debug output about implications.
--assume-loops:  assume loops always go through at least once.
--two-passes:  use a two pass system for each function.
--file-output:  instead of printing stdout, print to "file.c.smatch_out".
--fatal-checks: check output is treated as an error.
--help:  print this helpful message.
$ smatch --help | grep -i version
$ smatch --version
0.6.4

[error27]

The 0.6.4 --version isn't really useful since that's the version for Sparse... I should probably create a version which prints the git hash for Smatch. That version comes from git describe which prints the last tag and git tag -l prints the Sparse versions last...