Compile warning fixes from Debian

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Upstream-Status: Inactive-Upstream [current release is from 1997; no vcs anywhere]

--- a/options.c
+++ b/options.c
@@ -41,6 +41,7 @@ static char sccsid[] = "@(#) options.c 1
 #include <netinet/in.h>
 #include <netdb.h>
 #include <stdio.h>
+#include <unistd.h>
 #include <syslog.h>
 #include <pwd.h>
 #include <grp.h>
--- a/scaffold.c
+++ b/scaffold.c
@@ -17,6 +17,7 @@ static char sccs_id[] = "@(#) scaffold.c
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <syslog.h>
 #include <setjmp.h>
 #include <string.h>