Add missing #includes to make headers self-contained.

This fixes 'make checkheaders'.

libavcodec/mathops.h

@@ -23,6 +23,7 @@
 #define AVCODEC_MATHOPS_H
 
 #include "libavutil/common.h"
+#include "config.h"
 
 #if   ARCH_ARM
 #   include "arm/mathops.h"

libavcodec/mpc.h

@@ -34,6 +34,7 @@
 #include "get_bits.h"
 #include "dsputil.h"
 #include "mpegaudio.h"
+#include "mpegaudiodsp.h"
 
 #define BANDS            32
 #define SAMPLES_PER_BAND 36

libavcodec/mpegaudiodectab.h

@@ -27,7 +27,9 @@
 #ifndef AVCODEC_MPEGAUDIODECTAB_H
 #define AVCODEC_MPEGAUDIODECTAB_H
 
+#include <stddef.h>
 #include <stdint.h>
+
 #include "mpegaudio.h"
 
 /*******************************************************/

libavcodec/put_bits.h

@@ -34,6 +34,7 @@
 #include "libavutil/intreadwrite.h"
 #include "libavutil/log.h"
 #include "mathops.h"
+#include "config.h"
 
 //#define ALT_BITSTREAM_WRITER
 //#define ALIGNED_BITSTREAM_WRITER

libavcodec/tableprint.h

@@ -26,8 +26,6 @@
 #include <inttypes.h>
 #include <stdio.h>
 
-#include "libavutil/common.h"
-
 #define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\
 void write_##type##_array(const type *data, int len)\
 {\

libavformat/network.h

@@ -21,7 +21,10 @@
 #ifndef AVFORMAT_NETWORK_H
 #define AVFORMAT_NETWORK_H
 
+#include <errno.h>
+
 #include "config.h"
+#include "libavutil/error.h"
 #include "os_support.h"
 
 #if HAVE_WINSOCK2_H