* gpgkeys_hkp.c, gpgkeys_ldap.c: #include <getopt.h> if it is available.

Also include extern references for optarg and optind since there is no
guarantee that any header file will include them.  Standards?  We don't
need no stinkin' standards

* Makefile.am: Use @GETOPT@ to pull in libiberty on those platforms that
need it.

keyserver/gpgkeys_ldap.c

@@ -23,6 +23,9 @@
 #include <string.h>
 #include <time.h>
 #include <unistd.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#endif
 #include <stdlib.h>
 #include <errno.h>
 #ifdef NEED_LBER_H
@@ -35,6 +38,9 @@
 #include "util.h"
 #endif
 
+extern char *optarg;
+extern int optind;
+
 #define GET    0
 #define SEND   1
 #define SEARCH 2