[PR PATCH] openscad: update to 2021.01

[kwshi <kwshi@users.noreply.github.com>]

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There is a new pull request by kwshi against master on the void-packages repository

https://github.com/kwshi/void-packages openscad-202101
https://github.com/void-linux/void-packages/pull/30011

openscad: update to 2021.01
<!-- Mark items with [x] where applicable -->

#### Have the results of the proposed changes been tested?

- [x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

I saw that #29552 is already open, but the CI checks were failing on that PR for some reason (and there were some TODOs related to broken CGAL tests). I'm not sure what's going on there, but this works for me & seems to be a smaller change, so I'm making this PR in the hopes that it might be easier to merge in.

(Closes #29552. Alternatively, if that PR is merged, this can be closed.)

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A patch file from https://github.com/void-linux/void-packages/pull/30011.patch is attached

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From 36ee644194987ce915c63ce3ef086e49316ce749 Mon Sep 17 00:00:00 2001
From: Kye Shi <shi.kye@gmail.com>
Date: Sun, 4 Apr 2021 20:48:38 -0700
Subject: [PATCH] openscad: update to 2021.01

---
 ...70cc5dd1bc677176ee732cdb0ddae57e5cf0.patch | 24 -------------------
 srcpkgs/openscad/template                     |  6 ++---
 2 files changed, 3 insertions(+), 27 deletions(-)
 delete mode 100644 srcpkgs/openscad/patches/b6c170cc5dd1bc677176ee732cdb0ddae57e5cf0.patch

diff --git a/srcpkgs/openscad/patches/b6c170cc5dd1bc677176ee732cdb0ddae57e5cf0.patch b/srcpkgs/openscad/patches/b6c170cc5dd1bc677176ee732cdb0ddae57e5cf0.patch
deleted file mode 100644
index f0d80d2f97eb..000000000000
--- a/srcpkgs/openscad/patches/b6c170cc5dd1bc677176ee732cdb0ddae57e5cf0.patch
+++ /dev/null
@@ -1,24 +0,0 @@
-From b6c170cc5dd1bc677176ee732cdb0ddae57e5cf0 Mon Sep 17 00:00:00 2001
-From: Jan Beich <jbeich@FreeBSD.org>
-Date: Fri, 25 Oct 2019 15:10:26 +0000
-Subject: [PATCH] Add missing header bootlegged by Boost < 1.72
-
-src/parser.y:76:6: error: no template named 'stack' in namespace 'std'
-std::stack<LocalScope *> scope_stack;
-~~~~~^
----
- src/parser.y | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git src/parser.y src/parser.y
-index 7f4fd56ca7..4c77c989ea 100644
---- src/parser.y
-+++ src/parser.y
-@@ -46,6 +46,7 @@
- #include "printutils.h"
- #include "memory.h"
- #include <sstream>
-+#include <stack>
- #include <boost/filesystem.hpp>
- #include "boost-utils.h"
- #include "feature.h"
diff --git a/srcpkgs/openscad/template b/srcpkgs/openscad/template
index 5e846402ddd3..693931379a26 100644
--- a/srcpkgs/openscad/template
+++ b/srcpkgs/openscad/template
@@ -1,7 +1,7 @@
 # Template file for 'openscad'
 pkgname=openscad
-version=2019.05
-revision=3
+version=2021.01
+revision=1
 build_style=qmake
 hostmakedepends="bison flex pkg-config gettext qt5-qmake qt5-host-tools"
 makedepends="cgal-devel harfbuzz-devel opencsg-devel qscintilla-qt5-devel
@@ -11,4 +11,4 @@ maintainer="Pierre Allegraud <pierre.allegraud@crans.org>"
 license="GPL-2.0-or-later"
 homepage="http://www.openscad.org"
 distfiles="http://files.openscad.org/${pkgname}-${version}.src.tar.gz"
-checksum=0a16c4263ce52380819dd91c609a719d38f12f6b8c4da0e828dcbe5b70996f59
+checksum=d938c297e7e5f65dbab1461cac472fc60dfeaa4999ea2c19b31a4184f2d70359