fixed stupid log displaying bug
diff --git a/aos/common/queue_types.cc b/aos/common/queue_types.cc
index 8c22d90..f11553f 100644
--- a/aos/common/queue_types.cc
+++ b/aos/common/queue_types.cc
@@ -149,7 +149,7 @@
         return false;
       }
       // Ignore the trailing '\0' that the subcall put on.
-      output -= 1;
+      *output_bytes += 1;
     }
 
     // Update the input and output pointers.
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);
   }