devel/py-ctags: Fix build with llvm15

- Add LICENCE LGPL20

Approved by:	portmgr (blanket)

devel/py-ctags/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	ctags
 PORTVERSION=	1.0.5
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -10,7 +10,15 @@ MAINTAINER=	ahkdiep@gmail.com
 COMMENT=	Python bindings for ctags index file
 WWW=		https://pypi.org/project/python-ctags/
 
+LICENSE=	LGPL20+
+
 USES=		python:3.6-3.9
 USE_PYTHON=	distutils autoplist
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${OPSYS} == FreeBSD && ( ${OSVERSION} >= 1400079 || ( ${OSVERSION} >= 1302505 && ${OSVERSION} < 1400000 ))
+CFLAGS+=	-Wno-error=int-conversion
+.endif
+
+.include <bsd.port.post.mk>