textproc/po4a: Add patch to fix Asciidoc issue

Don't split in attributes include:: and ifeval:: lines.

This fix an issue in the new FreeBSD translation workflow.

Obtained from:	mquinson/po4a#298


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@568387 35697150-7ecd-e111-bb59-0022644237b5

textproc/po4a/Makefile

@@ -4,6 +4,7 @@
 PORTNAME=	po4a
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.63
+PORTREVISION=	1
 CATEGORIES=	textproc perl5
 
 MAINTAINER=	dbaio@FreeBSD.org

textproc/po4a/files/patch-lib_Locale_Po4a_AsciiDoc.pm

@@ -0,0 +1,15 @@
+# https://github.com/mquinson/po4a/pull/298
+# Asciidoc: Don't split in attributes include:: and ifeval:: lines
+--- lib/Locale/Po4a/AsciiDoc.pm.orig	2021-02-22 16:53:34 UTC
++++ lib/Locale/Po4a/AsciiDoc.pm
+@@ -771,6 +771,10 @@ sub parse {
+                 and ( defined( $self->{type} ) and ( $self->{type} eq "Table" ) ) )
+             {
+                 $paragraph .= $line . "\n";
++            } elsif (    ( $macroname eq "include" || $macroname eq "ifeval" )
++                and ( $macrotype eq '::' ) )
++            {
++                $self->pushline( $line . "\n" );
+             } else {
+                 if ( $macrotype eq '::' ) {
+                     do_paragraph( $self, $paragraph, $wrapped_mode );