FreeBSD fix

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15239 b3059339-0415-0410-9bf9-f77b7e298cf2

libmpcodecs/ae.c

@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <inttypes.h>
+#include <unistd.h>
 #include <math.h>
 #include "aviheader.h"
 #include "ms_hdr.h"

libmpcodecs/ae_lame.c

@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <inttypes.h>
+#include <unistd.h>
 #include <string.h>
 #include "m_option.h"
 #include "../mp_msg.h"

libmpcodecs/ae_lavc.c

@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <inttypes.h>
+#include <unistd.h>
 #include <string.h>
 #include "m_option.h"
 #include "../mp_msg.h"

libmpcodecs/ae_pcm.c

@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <inttypes.h>
+#include <unistd.h>
 #include <string.h>
 #include "m_option.h"
 #include "../mp_msg.h"

libmpcodecs/ae_toolame.c

@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <inttypes.h>
+#include <unistd.h>
 #include <string.h>
 #include "m_option.h"
 #include "../mp_msg.h"