use unsigned int iso unsigned.

include/vlc_es.h

@@ -2,7 +2,7 @@
  * vlc_es.h: Elementary stream formats descriptions
  *****************************************************************************
  * Copyright (C) 1999-2001 the VideoLAN team
- * $Id$
+ * $Id: 9130f27943f6c304a2e779a8a86246fc70ea6178 $
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *
@@ -69,9 +69,9 @@ struct audio_format_t
      */
 
     /* FIXME ? (used by the codecs) */
-    unsigned i_channels;
-    unsigned i_blockalign;
-    unsigned i_bitspersample;
+    unsigned int i_channels;
+    unsigned int i_blockalign;
+    unsigned int i_bitspersample;
 };
 
 #ifdef WORDS_BIGENDIAN