astro/mkgmap: update to r4670

astro/mkgmap/Makefile

 PORTNAME=	mkgmap
-PORTVERSION=	r4669
+PORTVERSION=	r4670
 CATEGORIES=	astro converters java
-MASTER_SITES=	http://www.mkgmap.org.uk/download/ \
-		http://mirror.amdmi3.ru/distfiles/
+MASTER_SITES=	https://www.mkgmap.org.uk/download/ \
+		https://mirror.amdmi3.ru/distfiles/
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	Convert OpenStreetMap data into a Garmin format

astro/mkgmap/distinfo

-TIMESTAMP = 1619184223
-SHA256 (mkgmap-r4669.tar.gz) = 7f4c90e6f0cd8d323113b6ed3de4d5964f5591c38f5d20e2894bc83f8df6fa02
-SIZE (mkgmap-r4669.tar.gz) = 3478142
+TIMESTAMP = 1619258531
+SHA256 (mkgmap-r4670.tar.gz) = 1d5caf49b9cda640e4a4512139158a225640a3ef4382c016cc3ea5b99b78ccda
+SIZE (mkgmap-r4670.tar.gz) = 3478160