add necessary #includes in headers

Originally committed as revision 13043 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/aac_ac3_parser.h

@@ -25,6 +25,7 @@
 
 #include <stdint.h>
 #include "avcodec.h"
+#include "parser.h"
 
 typedef struct AACAC3ParseContext {
     int frame_size;

libavcodec/acelp_math.h

@@ -23,6 +23,8 @@
 #ifndef FFMPEG_ACELP_MATH_H
 #define FFMPEG_ACELP_MATH_H
 
+#include <stdint.h>
+
 /**
  * \brief fixed-point implementation of cosine in [0; PI) domain
  * \param arg fixed-point cosine argument, 0 <= arg < 0x4000

libavcodec/lsp.h

@@ -22,6 +22,9 @@
 
 #ifndef FFMPEG_LSP_H
 #define FFMPEG_LSP_H
+
+#include <stdint.h>
+
 /**
   (I.F) means fixed-point value with F fractional and I integer bits
 */

libavutil/fifo.h

@@ -25,6 +25,7 @@
 #define FFMPEG_FIFO_H
 
 #include <stdint.h>
+#include "common.h"
 
 typedef struct AVFifoBuffer {
     uint8_t *buffer;