Include missing headers.

svn path=/head/; revision=141563

usr.bin/locate/bigram/locate.bigram.c

@@ -56,6 +56,7 @@ static char sccsid[] = "@(#)locate.bigram.c	8.1 (Berkeley) 6/6/93";
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/param.h>			/* for MAXPATHLEN */
 #include "locate.h"
 

usr.bin/sed/main.c

@@ -52,6 +52,7 @@ static const char sccsid[] = "@(#)main.c	8.2 (Berkeley) 1/3/94";
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <libgen.h>
 #include <limits.h>
 #include <locale.h>
 #include <regex.h>

usr.bin/talk/ctl.c

@@ -47,6 +47,9 @@ static const char sccsid[] = "@(#)ctl.c	8.1 (Berkeley) 6/6/93";
 
 #include <sys/types.h>
 #include <sys/socket.h>
+
+#include <string.h>
+
 #include "talk.h"
 
 struct	sockaddr_in daemon_addr = { sizeof(daemon_addr), AF_INET };

usr.bin/talk/look_up.c

@@ -44,6 +44,7 @@ static const char sccsid[] = "@(#)look_up.c	8.1 (Berkeley) 6/6/93";
 #include <protocols/talkd.h>
 
 #include <errno.h>
+#include <string.h>
 
 #include "talk_ctl.h"
 #include "talk.h"