$NetBSD: patch-base_gserrors_h,v 1.2 2022/05/27 08:26:52 adam Exp $

This suppresses the noisy warning that __func__ redefined.

--- base/gserrors.h.orig	2022-04-04 13:48:49.000000000 +0000
+++ base/gserrors.h
@@ -136,6 +136,9 @@ int gs_log_error(int, const char *, int)
 #define return_error(err) return gs_note_error(err)
 
 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L
+#  if (defined(__func__))
+#    undef __func__
+#  endif
 #  if defined(__GNUC__) && __GNUC__ >= 2
 #    define __func__ __FUNCTION__
 #  elif defined(__FUNCTION__)