devel/buildstream: Move man pages to share/man

Approved by:	portmgr (blanket)

devel/buildstream/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	BuildStream
 DISTVERSION=	1.2.8
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

devel/buildstream/files/patch-setup.py

@@ -1,11 +0,0 @@
---- setup.py.orig	2019-07-17 00:27:20 UTC
-+++ setup.py
-@@ -289,7 +289,7 @@ setup(name='BuildStream',
-           # in the right directory; this is more like a weak statement that we
-           # attempt to install bash completion scriptlet.
-           #
--          ('share/man/man1', list_man_pages()),
-+          ('man/man1', list_man_pages()),
-           ('share/bash-completion/completions', [
-               os.path.join('buildstream', 'data', 'bst')
-           ])