dafs state analyzer shouldn't require trailing spaces in commands

dafs state analyzer shouldn't require trailing spaces in commands

the tokenizer didn't null out \n, but the strcmps for commands didn't deal,
so this basically works badly interactively. all commands not recognized.

Change-Id: Ifa7f8c0204a83d27f8876af8de94cb338499cdc0
Reviewed-on: http://gerrit.openafs.org/2125
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>