$NetBSD: patch-Makefile,v 1.1 2025/06/01 09:50:26 vins Exp $

Support pkgsrc defined SSH_ASKPASS.

--- Makefile.orig	2025-06-01 08:56:17.504384226 +0000
+++ Makefile
@@ -52,7 +52,10 @@ GENKEYCHAINPL = open P, "keychain.txt" o
 		print
 
 keychain: keychain.sh keychain.txt VERSION MAINTAINERS.txt
-	perl -e '$(GENKEYCHAINPL)' | sed -e 's/##CUR_YEAR##/$(Y)/g' >keychain || rm -f keychain
+	perl -e '$(GENKEYCHAINPL)' | sed \
+		-e 's:##CUR_YEAR##:$(Y):g' \
+		-e 's:##ASKPASS##:$(ASKPASS):' \
+		>keychain || rm -f keychain
 	chmod +x keychain
 
 keychain.txt: keychain.pod