[PATCH iproute2] tc: add a missing space between rate estimator and backlog

[Eric Dumazet]

When a rate estimator is active, "tc -s qd" displays
something like :

rate 12616bit 11ppsbacklog 0b 0p requeues 2

instead of :

rate 12616bit 11pps backlog 0b 0p requeues 2

Fixes: 4fcec7f3665b ("tc: jsonify stats2")
Signed-off-by: Eric Dumazet <eduma...@google.com>
Cc: Jiri Pirko <j...@mellanox.com>
---
 tc/tc_util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tc/tc_util.c b/tc/tc_util.c
index 
82856a85170b6fdb2dfab42a8487882afbf6c93d..ab717890bb2a44b4c53a756bd8350b4ed4428a22
 100644
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -838,8 +838,9 @@ void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char 
*prefix, struct rtat
 
                memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]), 
MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q)));
                if (!tbs[TCA_STATS_RATE_EST])
-                       print_string(PRINT_FP, NULL, "\n%s", prefix);
+                       print_string(PRINT_FP, NULL, "\n", "");
                print_uint(PRINT_JSON, "backlog", NULL, q.backlog);
+               print_string(PRINT_FP, NULL, "%s", prefix);
                print_string(PRINT_FP, NULL, "backlog %s",
                             sprint_size(q.backlog, b1));
                print_uint(PRINT_ANY, "qlen", " %up", q.qlen);
-- 
2.20.0.rc1.387.gf8505762e3-goog