[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>

V1 -> V2: Fixed two other wrong type outputs about lines

diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c
index 08d0ac543c67..84f723b275e3 100644
--- a/tools/bpf/bpftool/main.c
+++ b/tools/bpf/bpftool/main.c
@@ -370,7 +370,7 @@ static int do_batch(int argc, char **argv)
 		while ((cp = strstr(buf, "\\\n")) != NULL) {
 			if (!fgets(contline, sizeof(contline), fp) ||
 			    strlen(contline) == 0) {
-				p_err("missing continuation line on command %d",
+				p_err("missing continuation line on command %u",
 				      lines);
 				err = -1;
 				goto err_close;
@@ -381,7 +381,7 @@ static int do_batch(int argc, char **argv)
 				*cp = '\0';
 
 			if (strlen(buf) + strlen(contline) + 1 > sizeof(buf)) {
-				p_err("command %d is too long", lines);
+				p_err("command %u is too long", lines);
 				err = -1;
 				goto err_close;
 			}
@@ -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