remove need for inclusion of mp4ff_int_types.h in -devel package

--- ./common/mp4ff/mp4ff.h~	2004-01-11 17:52:18.000000000 +0200
+++ ./common/mp4ff/mp4ff.h	2005-09-08 03:29:23.000000000 +0300
@@ -32,7 +32,11 @@
 extern "C" {
 #endif /* __cplusplus */
 
+#ifdef _WIN32
 #include "mp4ff_int_types.h"
+#else
+#include <stdint.h>
+#endif
 
 /* file callback structure */
 typedef struct