Fix the M bit for multi-packet NALs.

Patch by Yao Peter (peter AT yuvad DOT com)

Originally committed as revision 18858 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/rtpenc_h264.c

@@ -56,7 +56,7 @@ static void nal_send(AVFormatContext *s1, const uint8_t *buf, int size, int last
         }
         s->buf[1] |= 1 << 6;
         memcpy(&s->buf[2], buf, size);
-        ff_rtp_send_data(s1, s->buf, size + 2, 1);
+        ff_rtp_send_data(s1, s->buf, size + 2, last);
     }
 }