[PATCH] bpftool: Fix the wrong format specifier

[liujing]

The type of lines is unsigned int, so the correct format specifier should be
%u instead of %d.

Signed-off-by: liujing <liujing@xxxxxxxxxxxxxxxxxxxx>

diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c
index 08d0ac543c67..030556ce4d61 100644
--- a/tools/bpf/bpftool/main.c
+++ b/tools/bpf/bpftool/main.c
@@ -423,7 +423,7 @@ static int do_batch(int argc, char **argv)
 		err = -1;
 	} else {
 		if (!json_output)
-			printf("processed %d commands\n", lines);
+			printf("processed %u commands\n", lines);
 	}
 err_close:
 	if (fp != stdin)
-- 
2.27.0