Add some missing mathematics.h #includes for av_rescale().

libavdevice/libdc1394.c

@@ -23,6 +23,7 @@
 #include "config.h"
 #include "libavformat/avformat.h"
 #include "libavutil/log.h"
+#include "libavutil/mathematics.h"
 #include "libavutil/opt.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/pixdesc.h"

libavfilter/vf_frei0r.c

@@ -28,6 +28,7 @@
 #include <frei0r.h>
 #include "libavutil/avstring.h"
 #include "libavutil/imgutils.h"
+#include "libavutil/mathematics.h"
 #include "libavutil/parseutils.h"
 #include "avfilter.h"
 

libavformat/flvdec.c

@@ -27,6 +27,7 @@
 #include "libavutil/avstring.h"
 #include "libavutil/dict.h"
 #include "libavutil/intfloat_readwrite.h"
+#include "libavutil/mathematics.h"
 #include "libavcodec/bytestream.h"
 #include "libavcodec/mpeg4audio.h"
 #include "avformat.h"

libavformat/librtmp.c

@@ -24,6 +24,7 @@
  * RTMP protocol based on http://rtmpdump.mplayerhq.hu/ librtmp
  */
 
+#include "libavutil/mathematics.h"
 #include "avformat.h"
 #include "url.h"
 

libavformat/mpegts.c

@@ -25,6 +25,7 @@
 #include "libavutil/intreadwrite.h"
 #include "libavutil/log.h"
 #include "libavutil/dict.h"
+#include "libavutil/mathematics.h"
 #include "libavutil/opt.h"
 #include "libavcodec/bytestream.h"
 #include "avformat.h"