removed warnings

Originally committed as revision 1496 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/dv.c

@@ -29,7 +29,8 @@ typedef struct DVDemuxContext {
 static int dv_read_header(AVFormatContext *s,
                           AVFormatParameters *ap)
 {
-    AVStream *vst, *ast;
+    AVStream *vst;
+    //    AVStream *ast;
 
     vst = av_new_stream(s, 0);
     if (!vst)

libavformat/raw.c

@@ -82,7 +82,7 @@ int raw_read_packet(AVFormatContext *s,
                     AVPacket *pkt)
 {
     int ret, size;
-    AVStream *st = s->streams[0];
+    //    AVStream *st = s->streams[0];
     
     size= RAW_PACKET_SIZE;