textproc/docbook2mdoc: patch to support <address>

The xdg-utils docbook uses a "address" tag, this allows to use
docbook2mdoc to convert xdg-utils docbook files to manpages or
text files

textproc/docbook2mdoc/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	docbook2mdoc
 PORTVERSION=	1.1.0
+PORTREVISION=	1
 CATEGORIES=	textproc
 MASTER_SITES=	http://mdocml.bsd.lv/docbook2mdoc/snapshots/
 

textproc/docbook2mdoc/files/patch-node.c

@@ -0,0 +1,10 @@
+--- node.c.orig	2022-09-15 07:09:04 UTC
++++ node.c
+@@ -33,6 +33,7 @@ static	const struct nodeprop properties[] = {
+ 
+ static	const struct nodeprop properties[] = {
+ 	{ "abstract",		CLASS_BLOCK },
++	{ "address",		CLASS_LINE },
+ 	{ "appendix",		CLASS_BLOCK },
+ 	{ "arg",		CLASS_ENCL },
+ 	{ "author",		CLASS_LINE },

textproc/docbook2mdoc/files/patch-node.h

@@ -0,0 +1,10 @@
+--- node.h.orig	2019-05-02 13:37:55 UTC
++++ node.h
+@@ -41,6 +41,7 @@ enum	nodeid {
+  */
+ enum	nodeid {
+ 	NODE_ABSTRACT,
++	NODE_ADDRESS,
+ 	NODE_APPENDIX,
+ 	NODE_ARG,
+ 	NODE_AUTHOR,