small note annd cosmetics for safeclib

src/lib/safeclib.c

@@ -103,6 +103,7 @@ static void
 lumiera_tmpbuf_init (void)
 {
   pthread_key_create (&lumiera_tmpbuf_tls_key, lumiera_tmpbuf_destroy);
+  TODO ("register an atexit() handler to free tmpbufs");
 }
 
 

src/lib/safeclib.h

@@ -135,6 +135,7 @@ lumiera_tmpbuf_strndup (const char* src, size_t size);
 char*
 lumiera_tmpbuf_snprintf (size_t size, const char* fmt, ...);
 
+
 /**
  * Concat up to 3 strings in a tmpbuf.
  * @param str1 first string to concat or NULL