Updated use of headers to compile cleanly.

util/amisc/anm.c

@@ -12,6 +12,7 @@
 
 #include	<stdio.h>
 #include	<stdlib.h>
+#include    <string.h>
 #include	<ctype.h>
 
 #include	"out.h"

util/arch/archiver.c

@@ -33,6 +33,7 @@ static char RcsId[] = "$Id$";
 #include <signal.h>
 #include <arch.h>
 #include <ranlib.h>
+#include <unistd.h>
 #ifdef AAL
 #include <out.h>
 #define MAGIC_NUMBER	AALMAG