add check-rd-req-server

lib/krb5/krb5_locl.h

@@ -274,6 +274,7 @@ typedef struct krb5_context_data {
 #define KRB5_CTX_F_CHECK_PAC			2
 #define KRB5_CTX_F_HOMEDIR_ACCESS		4
 #define KRB5_CTX_F_SOCKETS_INITIALIZED          8
+#define KRB5_CTX_F_RD_REQ_IGNORE		16
     struct send_to_kdc *send_to_kdc;
 #ifdef PKINIT
     hx509_context hx509ctx;