UPDATE: textproc/lowdown

Hi,
I've been working with upstream (Kristaps) to bundle libdiff in lowdown
instead of requiring a new dependency. See the previous discussion[1]
for further reference.

Besides that, trivial bump from maintainer.

Comments? OK?

[1] https://marc.info/?l=openbsd-ports&m=153435837909825&w=2

Index: Makefile
===================================================================
RCS file: /cvs/ports/textproc/lowdown/Makefile,v
retrieving revision 1.12
diff -u -p -r1.12 Makefile
--- Makefile 9 Jun 2018 22:05:46 -0000 1.12
+++ Makefile 2 Sep 2018 16:54:17 -0000
@@ -2,7 +2,7 @@

COMMENT = simple markdown translator

-DISTNAME = lowdown-0.3.3
+DISTNAME = lowdown-0.4.1

CATEGORIES = textproc

Index: distinfo
===================================================================
RCS file: /cvs/ports/textproc/lowdown/distinfo,v
retrieving revision 1.11
diff -u -p -r1.11 distinfo
--- distinfo 9 Jun 2018 22:05:46 -0000 1.11
+++ distinfo 2 Sep 2018 16:54:17 -0000
@@ -1,2 +1,2 @@
-SHA256 (lowdown-0.3.3.tar.gz) = XsmwSYsR6iUoLWdO1oGpsvZ+pIfHpJM2kJHuuz1wPsU=
-SIZE (lowdown-0.3.3.tar.gz) = 87977
+SHA256 (lowdown-0.4.1.tar.gz) = pfsvpR2pwty9IjMucaizn8g4uQKZ4KyM3//SvHk0/Ow=
+SIZE (lowdown-0.4.1.tar.gz) = 94595
Index: pkg/PLIST
===================================================================
RCS file: /cvs/ports/textproc/lowdown/pkg/PLIST,v
retrieving revision 1.5
diff -u -p -r1.5 PLIST
--- pkg/PLIST 20 Oct 2017 13:48:09 -0000 1.5
+++ pkg/PLIST 2 Sep 2018 16:54:17 -0000
@@ -6,11 +6,13 @@ lib/liblowdown.a
@man man/man1/lowdown.1
@man man/man3/lowdown.3
@man man/man3/lowdown_buf.3
+@man man/man3/lowdown_buf_diff.3
@man man/man3/lowdown_doc_free.3
@man man/man3/lowdown_doc_new.3
@man man/man3/lowdown_doc_parse.3
@man man/man3/lowdown_errstr.3
@man man/man3/lowdown_file.3
+@man man/man3/lowdown_file_diff.3
@man man/man3/lowdown_html_free.3
@man man/man3/lowdown_html_new.3
@man man/man3/lowdown_html_rndr.3