[PATCH iproute2] iplink/can: fix format string warnings

[Stephen Hemminger <stephen@networkplumber.org>]

Clang complains about non-literal format string

  iplink_can.c:531:36: warning: format string is not a string literal
        [-Wformat-nonliteral]
    531 |                 can_print_timing_min_max("tdcv", tdcv, *tdcv_min, *...
        |                                                  ^~~~

Small change to use "%s" in can_print_timing_min_max.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 ip/iplink_can.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ip/iplink_can.c b/ip/iplink_can.c
index f631aab8..450a19b9 100644
--- a/ip/iplink_can.c
+++ b/ip/iplink_can.c
@@ -448,11 +448,11 @@ static void can_print_nl_indent(void)
 	print_string(PRINT_FP, NULL, "%s", "\t ");
 }
 
-static void __attribute__((format(printf, 2, 0)))
+static void
 can_print_timing_min_max(const char *json_attr, const char *fp_attr,
 			 int min, int max)
 {
-	print_null(PRINT_FP, NULL, fp_attr, NULL);
+	print_string(PRINT_FP, NULL, "%s", fp_attr);
 	open_json_object(json_attr);
 	print_uint(PRINT_ANY, "min", " %d", min);
 	print_uint(PRINT_ANY, "max", "..%d", max);
-- 
2.53.0