--- librpcsecgss-0.19.orig/include/rpcsecgss/rpc/svc_auth.h	2009-07-29 18:24:50.000000000 +0200
+++ librpcsecgss-0.19/include/rpcsecgss/rpc/svc_auth.h	2014-05-19 15:34:43.714268869 +0200
@@ -71,7 +71,7 @@ typedef struct svc_authentication_data {
 /*
  * Approved way of getting principal of caller
  */
-char *svcauth_gss_get_principal	__P((SVCAUTH *auth));
+char *svcauth_gss_get_principal	(SVCAUTH *auth);
 
 /*
  * Approved way of setting server principal
@@ -83,10 +83,14 @@ svcauth_gss_set_svc_name(char *principal
 /*
  * Server side authenticator
  */
-__BEGIN_DECLS
+#ifdef __cplusplus
+extern "C" {
+#endif
 extern enum auth_stat _authenticate(struct svc_req *__rqst,
 				    struct rpc_msg *__msg,
 				    bool_t *no_dispatch);
-__END_DECLS
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* !_RPC_SVCAUTH_H */