net/sched: act_skbmod: convert comma to semicolon

Replace a comma between expression statements by a semicolon.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240709072838.1152880-1-nichen@iscas.ac.cnSigned-off-by: Jakub Kicinski <kuba@kernel.org>

net/sched/act_skbmod.c

@@ -246,7 +246,7 @@ static int tcf_skbmod_dump(struct sk_buff *skb, struct tc_action *a,
 
 	memset(&opt, 0, sizeof(opt));
 	opt.index   = d->tcf_index;
-	opt.refcnt  = refcount_read(&d->tcf_refcnt) - ref,
+	opt.refcnt  = refcount_read(&d->tcf_refcnt) - ref;
 	opt.bindcnt = atomic_read(&d->tcf_bindcnt) - bind;
 	spin_lock_bh(&d->tcf_lock);
 	opt.action = d->tcf_action;