tc: fq: fix two issues

My latest patch missed the fact that this file got JSON support.

Also fixes a spelling error added during JSON change.

Fixes: be9ca9d54123 ("tc: fq: add timer_slack parameter")
Fixes: d15e2bfc042b ("tc: fq: add support for JSON output")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
1 file changed