$NetBSD: patch-config.h.in,v 1.1 2024/08/09 12:02:45 adam Exp $

Check if putc_unlocked(); Fixes "duplicate symbol '___sputc'" on Darwin.
https://dev.gnupg.org/T7246

--- config.h.in.orig	2024-08-09 11:52:53.288428556 +0000
+++ config.h.in
@@ -49,6 +49,9 @@
 /* Define to 1 if you have the `getrlimit' function. */
 #undef HAVE_GETRLIMIT
 
+/* Define to 1 if you have the `putc_unlocked' function. */
+#undef HAVE_PUTC_UNLOCKED
+
 /* Define to 1 if you have `inet_pton'. */
 #undef HAVE_INET_PTON