fixed stupid log displaying bug
diff --git a/aos/linux_code/logging/log_displayer.cc b/aos/linux_code/logging/log_displayer.cc
index cbf4891..dd78b91 100644
--- a/aos/linux_code/logging/log_displayer.cc
+++ b/aos/linux_code/logging/log_displayer.cc
@@ -146,7 +146,8 @@
int fd = open(filename, O_RDONLY);
if (fd == -1) {
- fprintf(stderr, "error: couldn't open file '%s' for reading because of %s\n",
+ fprintf(stderr,
+ "error: couldn't open file '%s' for reading because of %s\n",
filename, strerror(errno));
exit(EXIT_FAILURE);
}