devel/py3c: bring back accidentally removed port

The port was accidentally dropped in b7f0544

- Removed 'Created by  lev@FreeBSD.org'.

devel/Makefile

@@ -5585,7 +5585,7 @@
     SUBDIR += py-zope.testbrowser
     SUBDIR += py-zope.testing
     SUBDIR += py-zope.traversing
-#   SUBDIR += py3c
+    SUBDIR += py3c
     SUBDIR += pybind11
     SUBDIR += pybugz
     SUBDIR += pycanberra

devel/py3c/Makefile

@@ -0,0 +1,26 @@
+PORTNAME=	py3c
+PORTVERSION=	1.3
+DISTVERSIONPREFIX=	v
+CATEGORIES=	devel
+
+MAINTAINER=	lev@FreeBSD.org
+COMMENT=	Py3c helps you port C extensions to Python 3
+
+LICENSE=	MIT
+
+USES=		gmake
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	encukou
+
+NO_BUILD=	yes
+
+do-install:
+	@${MAKE_CMD}                              \
+	 prefix=${PREFIX}                         \
+	 pkgconfigdir=${PREFIX}/libdata/pkgconfig \
+	 DESTDIR=${STAGEDIR}                      \
+	 -C ${WRKSRC}                             \
+	 install
+
+.include <bsd.port.mk>

devel/py3c/pkg-descr

@@ -0,0 +1,6 @@
+py3c helps you port C extensions to Python 3.
+
+It provides a detailed guide, and a set of macros
+to make porting easy and reduce boilerplate.
+
+WWW: https://github.com/encukou/py3c