[libc] fix the compiling warning
@@ -44,7 +44,7 @@ int libc_stdio_set_console(const char* device_name, int mode)
if (mode == O_RDWR) file_mode = "r+";
else if (mode == O_WRONLY) file_mode = "wb";
- else if (mode == O_RDONLY) file_mode = "rb";
+ else file_mode = "rb";
fp = fopen(name, file_mode);
if (fp)
