inserted correct placeholder

Author: ebuka1017

0x0A-argc_argv/1-args.c

@@ -13,6 +13,6 @@
 int main(int argc, char *argv[])
 {
 	UNUSED(argv);
-	printf("%s\n", argc - 1);
+	printf("%d\n", argc - 1);
 	return (0);
 }