Add required #includes to pass 'make checkheaders'.

Originally committed as revision 23736 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/aacps.h

@@ -24,6 +24,9 @@
 
 #include <stdint.h>
 
+#include "avcodec.h"
+#include "get_bits.h"
+
 #define PS_MAX_NUM_ENV 5
 #define PS_MAX_NR_IIDICC 34
 #define PS_MAX_NR_IPDOPD 17