the correct data type is offset_t

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@2329 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/segafilm.c

@@ -46,7 +46,7 @@
 
 typedef struct {
   int stream;
-  off_t sample_offset;
+  offset_t sample_offset;
   unsigned int sample_size;
   int64_t pts;
   int keyframe;